How to use fertilization in a sentence

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Sentence Examples During copulation, the female transfers unfertilized eggs to the male's ventral surface, where fertilization takes place. Since in vitro fertilization started, two decades ago, there has been an explosion of twins, triplets, quadruplets, even quintuplets. After fertilization, several achenes are produced per capitulum, and seeds are wind-dispersed. She gave birth to a healthy baby boy three years ago by way of in vitro fertilization. Our ability to detect doubly recombinant chromosomes depends on the genotype of the homolog after fertilization. Soil that has been amended with either green or animal manures within six months won't need fertilization at planting time. The ostium leads to the second portion of the oviduct, the ampulla, which is the duct's dilated mid-portion where fertilization usually occurs. The onset of hyperactive movement occurs near the site of fertilization and is crucial for penetrating the egg's zona pellucida. During pollination the female portion of the plant receives pollen from the tassel, resulting in fertilization of the ovule. This relationship required water for fertilization, so this group grew close to the ground, often preserving the thallophytic structure. Such a mutant megagamete could participate in fertilization with wild type pollens and sometimes set aberrant seeds with twin embryos. At the micropylar end where the pollen tube delivers the two sperm cells, the egg cell is flanked by two synergids that assist in fertilization. The cultural practices and fertilization practices recommended for wheat are satisfactory for triticale. A yearly mulch of quality compost is all the fertilization your grapes should need. We've made huge advances in agricultural mechanization, in fertilization, in soil science. This structure is actually a highly vascularized extension of the cloaca which allows internal fertilization. Our own era has seen space travel, in vitro fertilization, cloning, and the Internet. In addition to this, all of the products were confirmed to enhance spermatozoan function, in vitro fertilization and early embryonic development. He is a good friend of the couple and is the father of the twins the woman is carrying by in vitro fertilization. Treatments such as fertilization can increase the competitive ability of more desirable plants, preventing hawkweeds from becoming established. Show More Sentences In addition, a strong staining was observed in maternal chalazal tissue shortly after fertilization, and persisted throughout seed development. Females ovulate only after spending several days with a male and then mate several times over several days to ensure fertilization. As in most other animals, the sperm mitochondria penetrate the cell membrane of the ovum at fertilization. In asexual reproduction, eggs develop without fertilization, a process called parthenogenesis. Subaqueous pollination, or hydrophily, has been discussed repeatedly in the light of limited success of fertilization in the aqueous medium. Before fertilization, the egg is enclosed in a protective vitelline membrane, which is embedded in a gelatinous coat. If fertilization occurs, progesterone supports implantation of the ovum and maintains the pregnancy. Instead, males that mate with mated females increase their fertilization success by being cannibalized. Some genes have been shown to be expressed in the female gametophyte before fertilization. Wrasses practice external fertilization in which the female's eggs are released into the water. It likens it to now common reproductive technologies such as in vitro fertilization and artificial insemination. In cases where the female remates, we determine the relative fertilization success of each male. During these two to three weeks after fertilization, the male will protect the nest and guard the eggs with great fierceness. There was no evidence that increased familiarity with a site or with a female increased fertilization effectiveness for a male. After several bouts of egg laying and fertilization, the female departs with fertilized eggs which she broods in her mouth. Forage fertilization should be based on soil test levels and realistic yield goals. Deciding to perform fall fertilization, or deciding not to, presents risks and benefits that must be considered. The objective was to demonstrate proper fertilization and harvesting practices to improve hay quality. Forages are generally good sources of calcium and can be variable in phosphorus according to soil type and fertilization. Modern culturing of wheat involves large land areas with intensive fertilization to achieve large yields and high protein concentrations. Show More Sentences Bermudagrass is highly responsive to fertilization with N and can be an important and valuable cash crop. They all prefer acidic soil and require regular fertilization through the growing season. Susceptibility to cold is determined by cultivar and cultural practices, especially fertilization. The effect of rootstock on wine quality is probably no greater than that of other factors such as soil, climate, fertilization, and irrigation. Frequently, the health and vigor of trees stressed by construction activities can be improved by fertilization. The variety grown here is well adapted to the climate, requiring less water and fertilization than modern hybrids. Adequate fertilization is an economical practice for increasing pasture production. Improperly done fertilization may actually increase undesirable weed growth and contribute to other problems. No additional fertilization was applied to that already present in the growing medium during the experiment. In vitro fertilization, or IVF, has helped thousands of couples achieve pregnancy. Unable to conceive through sexual relations, the couple undergoes a course of in vitro fertilization. Brown's parents, Lesley and John, made headlines with the birth of Louise, the first person conceived by in-vitro fertilization. The birth was met with world-wide astonishment at the time, but today in-vitro fertilization has become relatively commonplace. Low-dose aspirin is currently prescribed for women with a history of recurrent miscarriage and for those undergoing in-vitro fertilization. Angiosperm seeds are comprised of an embryo and endosperm resulting from double fertilization of the egg cell and two polar nuclei, respectively. The transfer of the pollen grain from the stamen to the stigma initiates the processes that can result in fertilization. The highest rate of B foliar fertilization resulted in leaf burn but had no other evident detrimental effect on plant growth. Most anurans have external fertilization, and adopt a mating posture called amplexus to insure contact between eggs and sperm. The most simple formalisms link crop growth to fertilization regime or to time, expressed in days or in time units from sowing. That's when cross-pollinating plants release their pollen into the air for fertilization. Show More Sentences Is it more ethical to cultivate stem cells from embryos created during in vitro fertilization? In the fucoid zygote, polarization events can be triggered by a range of stimuli, including unidirectional light and fertilization. The embryos, or pre-embryos, at fertility clinics are frozen at sometime between two and five days after fertilization. A controversial report by the National Academy of Sciences in 1992 looked at iron fertilization, among other geoengineering options. Corn is a heavy nitrogen depleter and requires extensive fertilization to sustain it. Meiotic spindles form after fertilization of the worm embryo in the same cytoplasm that later supports embryonic mitosis. Double fertilization of egg cell and central cell initiates development of the diploid embryo and the triploid endosperm, respectively. Species and site characteristics often serve as a general guide to fertilization in established Christmas tree plantations. These activities not only disturb bees but also interfere with normal pollen production, germination, and fertilization. The low cell activity in equine species makes both in-vitro fertilization and cloning more difficult in horses than in cattle and even humans. The functional parameters include reproductive efficiency, cogenesis, and fertilization. Of these events and processes, cogenesis, spermatogenesis, and fertilization are studied to evaluate the reproductive process. This can radically upset her possibility of ovulation, fertilization, implantation and even nurturing of a pregnancy. In pre-zygotic mechanisms, the pollen tube may grow as far as the ovule but not penetrate it, or penetration may be achieved without fertilization. In this study, I use floral manipulations in conjunction with marker gene analysis to estimate the relative contributions of autogamy and geitonogamy to self fertilization. Shallow soil or inadequate fertilization also can cause nuts to drop. For introduction of spermatid mitochondria, in vitro fertilization was carried out by microinjection of spermatids into unfertilized oocytes as described previously. The embryos of all sexually reproducing organisms develop from a single cell, formed by the fusion of a male and a female gamete at fertilization. They are widely distributed from rainforests to the edges of dry and cold deserts, and they play an important role in human nutrition as well as in soil fertilization. This can radically upset her possibility of ovulation, fertilization, implantation, and even nurturing of a pregnancy. Show More Sentences The sexual phase of the Plasmodium life cycle is completed with the fertilization of a macrogamete by a flagellar microgamete, and the subsequent generation of sporozoites. Females deposited their eggs in clutches with the eggs arranged in rows, which meant that the order of fertilization by the different sires could be distinguished. Louise Brown, the first human being to be conceived by in vitro fertilization, is a healthy, happy young woman who lives with her parents in England. The particular form of apomixis involves the development of a 2n embryo sac followed by fertilization of the central nuclei to form the endosperm. As isogamy is approached, sperm become less abundant, ova become relatively less rare, and competition between males for fertilization success is predicted to weaken. And it would incite fierce resistance from those who believe life begins at fertilization. Polyembryonic seeds can arise through several developmental pathways and in some cases may involve apomixis stimulated by fertilization of nearby ovules. Or are they used in an evolutionary battle of the sexes over who has the last say in fertilization? The gametes then fuse in a process called syngamy, or fertilization. Olive trees are wind-pollinated and to some extent self-fertile, but previous research has suggested that more efficient fertilization is achieved by cross-pollination. Julia's pregnancy was conceived using an in vitro fertilization procedure. The current case was due to the second mechanism, in which one fertilization resulted in a partial hydatidiform mole and the other a normal co-twin. Doubtlessly, behavioral isolation is most feasible in those species utilizing internal fertilization, or which at least depend upon direct stimulation by the opposite sex for the release of gametes Reduce nitrogen fertilization, and test soil to check potassium levels. No differences were noted in pollen germination, pollen tube growth or fertilization between experimental tests of xenogamy and geitonogamy in S. mucugensis. The endosperm, a result of double fertilization in flowering plants, is a triploid tissue whose genetic composition is more complex than diploid tissue. Thus, it is argued that pregnancy only comes within the law relating to abortion upon the implantation of the conceptus in the womb, not at the point of fertilization. They are a common adaptation in organisms that use internal fertilization, and have arisen multiple times in a number of vertebrate and invertebrate lineages. The results show that early fertilization leads to the formation of apomictic embryos while fertilization at anthesis favours the formation of sexually derived embryos. Crude protein levels range from 15 to 25 percent in the herbage and 8 to 15 percent in the roots, depending on nitrogen fertilization rate and weather conditions. Show More Sentences In all the Archegoniate fertilization and the first critical phases of embryogeny occur within the shelter provided by the archegonium and the adjacent gametophytic tissue. In-vitro fertilization and assistive reproductive technologies can create a conception that's outside of the womb using the recipient, plus the sperm source. Little is known of their reproductive biology, but the lack of both spermatheca in females, and cloacal glands in males, suggests external fertilization. In agriculture, algae are used as sources of nitrate and potash for fertilization. While mating occurs in the fall fertilization does not occur until the following spring. Although a wide range of reproductive modes are used by snakes, all snakes employ internal fertilization. The gametes begin to mature in late spring and then, from June to August they are spawned into the water column, where fertilization occurs. Careful fertilization technologies are important because excess nutrients can be as detrimental. Upon fertilization and implantation, gestation then occurs within the female's uterus. The simplest type of molluscan reproductive system relies on external fertilization, but more complex variations occur. The simplest molluscan reproductive system relies on external fertilization, but with more complex variations. As a true fruit, it develops from the ovary of the plant after fertilization, its flesh comprising the pericarp walls. By its nature, that is whether it develops with or without fertilization, simple polyembryony can be sexual or asexual. Both types of birth control pills prevent fertilization mainly by inhibiting ovulation and thickening cervical mucous. Sperm extraction followed by in vitro fertilization may also be an option in men. Only capacitated cells can undergo acrosomal reaction, a vital step that aids the cell to penetrate the ova to achieve fertilization. They also developed a miniaturized in vitro fertilization lab for use in Omaha and possibly in the wild. After fertilization for 18-20 h, the presumptive zygotes were denuded of cumulus cells and attached sperms by repeated puffing with a pipette. Coleochaete and embryophytes retain their zygotes on the maternal gametophyte, whereas Chaetosphaeridium expels its ova before fertilization. Halvorson AD, Reule CA, Follett RF Nitrogen fertilization effects on soil carbon and nitrogen in a dryland cropping system. Show More Sentences Fertilized groundling and sturgeon eggs were irradiated at stages from fertilization to middle gastrulation. Endometrial thickness, morphology, vascular penetration and velocimetry in predicting implantation in an in vitro fertilization program. A parthenote is an egg that begins dividing as though it were fertilized even though fertilization has not occurred. Effects of lowered inorganic phosphorus fertilization rates on pond production of percid fingerlings. The fruits that form as a result of fertilization could not properly develop without the sugar that comes from photosynthesizing leaves. Pandalid shrimp have external fertilization, and females carry fertilized eggs on their pleopods until they hatch. Although people can't naturally reproduce this way, a woman's egg also retains an extra set of chromosomes in a polar body until fertilization. Since it cannot be determined when ensoulment occurs, the argument is made that fertilization is the safe answer. The fertilization and insect visitors of our earliest entomophilous flowers. Enwall K, Philippot L, Hallin S Activity and composition of the denitrifying bacterial community respond differently to long-term fertilization. Human chorionic gonadotropin is a 40kDa glycoprotein hormone secreted by the developing placenta shortly after fertilization. Promotive effects of long-term fertilization on growth of tissue culture-derived Hypericum polyanthemum plants during acclimatization. Farlow reported the development of fern plantlets directly from prothalli, without the production and fertilization of an egg. Consequences of surf-zone turbulence for settlement and external fertilization. The more complex in vitro fertilization procedure involves fertilization in the laboratory of the birth mother's own eggs or those of a donor. Campaign Life Coalition asked the Canadian Bishops' Conference to oppose Bill C-6 because it allowed in vitro fertilization. Tawam Hospital has unveiled new in-vitro fertilization centre at its Al Ain campus. They were then implanted into surrogate mothers through in vitro fertilization. An in vitro fertilization unit for care of patients has just been independently established by and operated by Massachusetts General Hospital. Women planning to undergo in vitro fertilization take the hormones to stimulate ovulation. Show More Sentences Nevertheless, when the extent of sperm autoimmunization was taken into account, it was inversely correlated with the overall fertilization rate. Seventy percent of twins are fraternal and result from fertilization of two separate ova by two different sperm. Ptx3 plays a key role in the organization of the cumulus oophorus extracellular matrix and in in vivo fertilization. Parthenogenesis is a natural form of reproduction in which growth and development of embryos occur without fertilization. All three types or reproductive cycles have a long gap in between pollination and fertilization. From here, a pollen tube seeks out the female gametophyte and if successful, fertilization occurs. Upon fertilization, the diploid egg will give rise to the embryo, and a seed is produced. Substantial responses to zinc fertilization have been reported in these areas. However, controversy about manipulating the ecosystem and the efficiency of iron fertilization has slowed such experiments. Fertilization is generally external, but platyctenids use internal fertilization and keep the eggs in brood chambers until they hatch. This means that the blastocyst is not implanted for two months after fertilization, most often becoming implanted in July. Native to the high plains, buffalo grass is extremely drought tolerant, requires little fertilization and only occasional mowing. The pollen tube enters the opening of the ovule, the micropyle, and reaches the interior of the ovule to undergo spenn release and fertilization. Now, lab tests with two moss species have shown that in dewy conditions, springtails increased moss fertilization. Rats undergo fertilization by oogamy, where mobile sperm swim to a stationary egg. Harmful effects of anti-zona pellucida antibodies in folliculogenesis, oogenesis, and fertilization. To ensure the fertilization, their morphology is well adapted to the proboscis of Lepidoptera, especially Euphydryas, Melanargia, Melitaea, Pieris and Zygaena species. Factors such as climate change, fishing practices, and ocean fertilization have a substantial effect on patterns of primary production in the euphotic zone. In marine mussels, fertilization occurs outside the body, with a larval stage that drifts for three weeks to six months, before settling on a hard surface as a young mussel. After fertilization, the conelet is considered an immature cone. Show More Sentences Another possibility is camelina, which produces a tiny, mustardlike seed from which oil can be extracted, It does not require extensive fertilization. Chemotaxis during fertilization in the hydroid Campanularia. Twenty-one half-sib groups and 60-63 full-sib groups of juveniles were obtained by artificial fertilization of 3-5 females by single males based on a nested design. Alternative to production of polyploid fish, treatment of sperm with radiation prior to fertilization permits the production of gynogenetic offspring. The study will enroll 40 eligible patients between the ages of 21 and 35, with normal ovarian reserve and who require in vitro fertilization to conceive. Of these, 153,115 pregnancies occurred following in-vitro fertilization or intracytoplasmic sperm injection and 8,852 following intrauterine insemination. The effect of advancing paternal age on pregnancy and live birth rates in couples undergoing in vitro fertilization or gamete intrafallopian transfer. The gametophyte, again presumably because of demands for water for fertilization, remained relatively small and more or less thallophytic in structure. Unfortunately, the couple experienced recurrent pregnancy loss following two cycles of in vitro fertilization and intracytoplasmic sperm injection without genetic testing. Many recent studies demonstrated that spermatozoal DNA integrity is a prerequisite for normal fertilization and transmission of paternal genetic information to the offspring. Chimerism could also be caused by fusion of the polar body and an ovum, double fertilization, fusion of two nuclei or as a result of hidden mosaicism with a Y cell line. Such avocados are parthenocarpic, which means that they develop without the benefit of pollination and fertilization and thus do not contain seeds. After the 4 hr incubation for fertilization and the following 3 hr of culture in fresh medium, zygotes were evaluated for pronucleus formation by using an inverted microscope. Hyaluronan Binding Assay is originated from the idea of selective mature spermatozoa binding to hyaluronan during the naturel process of fertilization. There was also a sizeable increase in the sales of phosphatic and potassic fertilizers as the Company continued its efforts to promote balanced fertilization. Accordingly, it has been observed that fertilization frequency is positively associated with the presence of dwarf males in several phyllodioicous species. Having the males growing as dwarfs on the female is expected to increase the fertilization efficiency by minimizing the distance between male and female reproductive organs. However, organic forms of fertilization and weed control are required for hay grown for consumption by animals whose meat will ultimately be certified organic. They work primarily by preventing ovulation or fertilization. Cross fertilization has generally given greater yields. It is done by planting with one variety in one planter box and another variety in the other. Examples from Classical Literature Meiosis in Barbulanympha following fertilization, autogamy, and endomitosis. After fertilization the flower droops, to be out of the way of the bees in their visits to the unfertilized blossoms. The comparison of the fertilization of the date palm to the use of the wild fig refers to the practice of caprification. The process of fertilization or fecundation is also known as impregnation and conception. This embryo is the product of fertilization of a germinal vesicle by a pollen tube. It is on the prothallus, however, that the sexual organs are produced, and after fertilization the plant as we know it arises. I will now pass on to consider the embryogeny of the Metazoa, beginning at its earliest stage in the fertilization of the ovum. They were flowing for the fertilization of the land where grapes are gathered from thorns, and figs from thistles. As is typical for frogs, fertilization occurs in the water rather than inside the mother's body. Land was cheap and means of fertilization was limited and laborious. Fecundation and fertilization are important terms to remember. The fertilization of peach-soils is to be considered in a separate topic. The second is the gestation period, or the time of embryonic development from fertilization to birth. Effects of nitrogen fertilization and rice harvest height on agronomic yield indices of ratoon rice-berseem clover intercropping system. A human clone would require the genes of just one parent, which could be extracted from a donor and implanted in a woman's egg, causing fertilization. Gymnosperm pollination drops are involved at some point in the capture and delivery of pollen into ovules, followed by pollen germination and fertilization. Fecundity and optimal sperm density for fertilization in the ormer. The fact is that the science of human embryology long ago established that the life of a human individual, not life such as merely cellular life, begins at fertilization. The researchers suggest that the reduced fertilization was caused at least in part by the compromised males interfering with the fertilization capability of the healthy males. Find more words! 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Words that rhyme with fertilization What is the plural of fertilization? What is the adverb for fertilization? What is the adjective for fertilization? What is the noun for fertilization? Translations for fertilization Use our Sentence Generator Nearby Words fertilizable fertility rate fertility fertilising fertilises fertilisers fertilizations fertilize fertilized fertilizer fertilizers fertilizes 13-letter Words Starting With f fe fer fert ferti fertil fertili fertiliz fertiliza fertilizat fertilizati