At the heart of the male/female dichotomy in human beings are two morphologically and functionally distinct chromosomes: the X and Y sex chromosomes. Understanding the origin and evolution of these ...
Sex chromosome evolution arises from the differentiation of autosomes into distinct male and female chromosomes through the suppression of recombination between homologues. Initial divergence often ...
In humans, two chromosomes – X and Y – determine whether we are male or female. Of the two, Y tends to get more attention because of its small, degenerate size. Both X and Y probably evolved from a ...
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