| If two of these recessives meet in an individual, their version of the trait will be expressed. |
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| But regardless of why most incompatibilities act as recessives, the present results leave little doubt that they do. |
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| Yes, line breeding does result in recessives showing up but that can be a plus. |
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| Thus deleterious recessives had not been eliminated from the population to the extent that consanguineous matings were harmless in terms of offspring viability. |
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| Some people think that the inbreeding clears out the harmful recessives and leads to a healthier breed for the future. |
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| Almost all mutants were found to behave as simple Mendelian recessives. |
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| Instead selection causes the same increase in allele frequency in both dominants and recessives, at least early on when the fates of nearly all alleles are determined. |
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| All cats and all lines carry unwanted recessives. |
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| A not uncommon objection against these kinds of solutions is that we don't know which new harmful recessives might be introduced into our breed through these outcrosses. |
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| The most effective way to keep a breed healthy is not to try to eliminate the harmful recessives, but to get the frequency down to a such a low level that two harmful recessives of the same kind almost never meet. |
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| Since we cannot tell the likeliness of foundation cats for certain recessives, we might have to produce many, many inbred litters to find out more about a new line. |
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| But, as we will see below, it is better to have lower frequencies of several different harmful recessives than to have a higher frequency of one single recessive. |
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| Selection favoring recessives is common in maize breeding for several traits, such as sweetness, opacity, brachysm, lack of ligules. |
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