phys.org
Sex chromosomes responsible for much more than determining sex‚ study shows
Human sex chromosomes originated from a pair of autosomes‚ the ordinary or non-sex chromosomes that contain the majority of our genome and come in identical pairs. That ancestral pair of autosomes diverged to become two different chromosomes‚ X and Y. Even though X and Y have grown apart from each other and taken on unique functions—namely‚ determining sex and driving sex differences in males and females—they also retain shared functions inherited from their common ancestor.
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