| In reptiles, amphibians, and fishes, it has long been contended that the morphologically recognizable sex chromosomes do not exist. |
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| Each sex cell carries half the DNA required to successfully construct a human, or twenty-three chromosomes. |
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| At the beginning of meiosis, each primordial sex cell has paired homologous chromosomes, just like any other eukaryotic cell. |
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| In most multicellular land organisms the female sex cell is fertilised inside the female organism. |
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| In embryos with abnormal sex chromosome complexes, the number of X chromosomes is apparently of little significance. |
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| The prevalence of sex chromosome abnormalities in the mare has been reported to be less than 3%. |
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| The degeneration cycle may be reset by formation of neo sex chromosomes by fusion between a sex chromosome and an autosome. |
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| The main sex chromosome systems characterizing sex determination in animals are represented in plants. |
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| Experiments with infrahuman subjects underscore the importance of sex differences in morphine's effects and reveal multiple levels of action. |
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| Dimorphic sex chromosomes have only been shown to be sex-determining in a small number of species. |
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| The absence of homology between sex chromosomes in marsupials strongly influences their behaviour during male meiosis. |
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| Males and females of most higher animals differ in one of their chromosome pairs, the sex chromosomes. |
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| This rush to devirginize is shocking to adults, who have been socialized to believe that sex is only healthy with marriage, with permanent commitment. |
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| In recent years, however, Mexico has increased funding for prevention services focused on men who have sex with men. |
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| Use a back-up method of birth control if you have sex in the seven days after you miss the pills. |
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| Research shows that many men who have sex with men also have sex with women. |
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| For example, if two characters in a film have sex and can be seen slightly, is that contrary to public policy? |
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| In particular, after driving her home from the union office one afternoon, he suggested that they have sex and asked if he could kiss her. |
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| The laws rarely refer to prevention, treatment, care or support services among women, and never among men who have sex with men. |
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| Even though the injection starts working within 48 hours, you should not have sex until after the bleeding stops or you're fully recovered. |
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| They still have casual sex without protection, endangering their lives and those of others. |
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| This can be done by avoiding activities that lead to such sharing, such as penetrative sex or the sharing of needles and sharp instruments. |
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| Both boys and girls learn about the techniques of penetrative sex from pornographic movies. |
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| Mr Bush's religious beliefs, though, mean he regards extramarital sex and abortion as sinful. |
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| In this area considerable premarital and extramarital sex was traditionally expected. |
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| The authorities are targeting hotels because that's where most extramarital sex happens. |
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| We believe that extramarital sex is wrong because it hurts the other spouse and the children. |
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| To define the prevalence of low-level sex chromosome mosaicism in a cohort of infertile men. |
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| This change in viewpoint rationalizes a change in experimental strategies for dissecting sex chromosome effects. |
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| I'm in a successful TV show in a kind of leading man way and it can sometimes feel like your art is being put to one side for your sex appeal. |
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| The fundamental meaning of the term marriage has always been understood to embody the concept of an opposite sex couple. |
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| Also, the knowledge of sex workers about their bodies was much lower than that of housewives. |
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| Instead it is the practice of national courts to include them within sex discrimination. |
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| She alleged that the process used to determine which project managers would be laid off discriminated against her on the basis of sex and age. |
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| The bill could have been written to deal with all of the sex discrimination. |
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| Similarly, to take artists' sex seriously is to discover in fact that it follows from gender, and not vice-versa. |
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| Gender roles have been socially defined and evaluated according to the activity of each sex in human reproduction. |
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| In Canada, intelligence indicates that the majority of trafficking victims are forced to work in the sex trade. |
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| Such legislation should prohibit discrimination based on sex in the access to and supply of goods and services. |
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| Stocks are known to segregate according to age, sex and reproductive status. |
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| A victim of domestic violence can be any member of the family regardless of sex and age. |
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| This also applies to children who appear to have been sold, or to girls who are coming out of sex work. |
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| There are a large number of organisms, which do not have specialized morphologically distinct sex chromosomes, yet their sex is determined and sex ratio is maintained. |
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| A population pyramid is one of the most elegant ways of presenting age and sex distribution data graphically, but it is used strictly for descriptive purposes. |
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| A fusion must occur between the female sex cell, the egg, and the male sex cell, and the resulting fertilized cell then develops into an adult individual. |
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| 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 |
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| Males and females have different sex chromosome constitutions, thus, the mechanism of sex determination is genetically mediated and demonstrates a paternal origin effect. |
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| Sex chromosome abnormalities sometimes cause the failure of reproductive organs to function normally, or they can result in unviable gametes lacking a normal sex chromosome complement. |
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| Another variation of numerical sex chromosome abnormalities is X chromosome mosaicism, which may be the third most common sex chromosome abnormality described in the horse. |
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| In both men and women, specific germ cells begin the process of sex cell production, which is simply a process of taking one cell and using it as a model to make more cells. |
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| If the candidate mutation is involved in homeotic gene silencing, an increase in the numbers of sex comb teeth on the adult second and third legs is expected. |
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| The animals made slightly different sounds when communicating with different individuals, especially one of the opposite sex. |
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| Chloe's the wonder of her sex, 'Tis well her heart is tender, How might such killing eyes perplex, With virtue to defend her. |
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| Woman is dethroned as the primary and supreme sex, debased into inseminable hetaera. |
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| All data should be disaggregated by sex and age, wherever possible. |
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| In the case of the population of men who have sex with men, interventions must begin with the alleviation of the stigma and with the expansion of routine testing and counselling programmes. |
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| After a few days or weeks they disappear and become sex workers. |
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| Alongside the global epidemic of HIV is an epidemic of violence against women, girls and other vulnerable groups, including men who have sex with men. |
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| Women who are not intravenous drug users and who have sex only with other women have the lowest risk for HIV and other STIs than any group of sexually active people. |
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| In much the same way as frequent casual sex brings no lasting self-respect, frequent and habitual alcohol consumption will not bring pleasure, peace of mind or fulfilment. |
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| A recent UNICEF study estimates that at least 30 per cent of girls in the region are engaged in casual sex work, and they start as young as twelve. |
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| Surveys in Southeast Asia and elsewhere indicate that drinking and casual sex frequently occur while drivers wait for their papers and goods to be inspected. |
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| Officers charged her with extramarital sex and confiscated her passport. |
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| Earlier theologians had held that it was transmitted from generation to generation by the sinful nature of sex. |
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| Reports of the coming death of the male sex chromosome are greatly exaggerated, say scientists, whose work will raise a collective cheer from at least half the population. |
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| At age fourteen, by a process of osmosis, of dirty jokes, whispered secrets and filthy ballads, Tristram learned of sex. |
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| These technologies would not be permitted except for health purposes, for example, to screen for serious medical conditions that are carried on a sex chromosome and are more likely to occur in one gender than the other. |
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| One pair is the sex chromosome which among other things determines gender. |
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| Autosome: Any chromosome other than the sex chromosomes. |
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| The X chromosome is one of the sex chromosomes: females have two X chromosomes and males have one X and one Y. Each X chromosome carries one copy of the gene. |
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| Such fights typically only occur among juveniles or adults of the same sex. |
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| What are at stake are cross-border and domestic policy matters of common interest, such as illegal immigration, the sex trade and trafficking in human beings, including women. |
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| Holy unsafe sex, Batman! Did you forget to use your Bat-condom? |
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| Crocodiles are also the most vocal of all reptiles, producing a wide variety of sounds during various situations and conditions, depending on species, age, size and sex. |
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| You think your Caveman is always chasing you for sex. Well, he is. |
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| It was a quick drive to her apartment, and although we didn't actually verbalize that we wanted to have sex, we were caressing each other's thighs. |
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| Others claim that netsex is primarily attractive because it is safe sex. |
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| Because of her sex, she argued, Clitherow should not have been executed. |
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| Joe and Joanne had a big fight, and then apologized and had incredible make-up sex. |
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| The smell of sex, the heat of the sun and the warm dampness of Eddie's man-cunt had brought him to the point of no return. |
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| You shouldn't get gropy at all, until she starts to touch you, otherwise she'll think you are just with her for sex. |
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| In my imagination, all work place encounters between men and women result in clandestine sex. |
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| You're behaving like a young fagling who has discovered gay sex, and therefore thinks he has nothing more to discover about his gayness. |
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| Jeebus, get over it. It wasn't as if I called you the wrong name while we were having sex. |
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| In any case, where universal suffrage exists, the right to vote is not restricted by race, sex, belief, wealth, or social status. |
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| Population estimates, age and sex, and occupied households estimates for England and for Wales. |
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| Estimates of the usually resident population of Scotland rounded to the nearest thousand, broken down by age and sex. |
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| First release of unrounded population estimates and household communal establishment numbers, by single year of age and sex. |
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| The law prohibits payment for sex, even between consenting adults. |
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| The film had several scenes including explicit language and sex. |
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| Those who were chained to the spot by the weakness of their sex, or the infirmity of age, or the attractions of the place, were cut off by the enemy. |
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| As for sex, every man in the county knew of the famous thirty-minute humpings available from one of the 'girls' who worked out of the rear rooms of Angels Motel. |
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| Party cadres must guard against the temptations of power, money and sex. |
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| In 2013, he received a Golden Globe nomination for his role in Showtime's television drama Masters of Sex. |
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| Between 2013 and 2016, Sheen starred in and produced Showtime's Masters of Sex. |
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| Eye sex. She'd heard the phrase but never experienced it before. The look he gave her was smoldering, showing her that he found her attractive. |
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| Some of the dioecious plants such as Trichoeanthes palmata and Cocoinia indica offer a good field for the understanding of the karyogenetic basis for the manifestation of sex. |
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| Our eyes met. Plain and simple we were having eye sex. If his eyes were a pool I could've drowned in them, sunk to the bottom never to come up for air. |
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| That's a good little boy, shoot all your cummies on mommy's favorite dress while we have Peeking Phone Sex. |
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