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Y linkage - Wikipedia, the free encyclopedia
In mammals, Y-linkage refers to when a phenotypic trait is determined by an allele (or gene) on the Y chromosome. It is also known as holandric inheritance. The Y-chromosome is small and does not co...
en.wikipedia.org/wiki/Y_linkage |
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Sex linkage - Wikipedia, the free encyclopedia
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Men normally have an X and a Y combination of sex chromosomes, while women have two X's. Since only men inherit Y chromosomes, they are the only ones to inherit Y-linked traits. Men and women can get the X-linked ones since both inherit X chromosomes.
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This model was originally inferred from the occurrence of few Y-linked genetic traits, pairing of the X and Y chromosomes during male meiosis and, more recently, the existence of X-Y homologous genes. Paper-1371571.
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Another oddity about the inheritance of X linked traits is that baby boys always inherit their X linked traits from their mothers. Since a male baby gets his Y chromosome from his father, he must get his X ... Y linked traits are the easiest of traits to understand. It's just too bad that there aren't more of them.
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Sex Linked Traits are traits whose loci are literally on the sex ... Y-linked genes are carried on the Y chromosome, and are thus passed directly from ...
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Sex-linked genetically inherited traits: ... Y-linked traits are inherited: ... Harmful X-linked traits are:
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