Genetics: Sex Linkage and Epistasis

Inheritance of sex and sex linkage

In most animal species, sex is determined by inheritance of the sex chromosomes X and Y. Unlike other pairs of chromosomes (autosomes), X and Y are not the same size. They are homologous for only part of their length, and this allows them to pair during meiosis. In mammals, Y chromosomes is much shorter than X chromosome. The X chromosome carries a…