Why are Y chromosomes shorter than the X chromosome? Submitted by Which-Community-5851 t3_11njmq7 on March 10, 2023 at 8:46 AM in askscience 23 comments 19
Joseluki t1_jbpxq94 wrote on March 10, 2023 at 8:32 PM It does have just genes for sex determination, so it does not need to be big because it carry not as much information as any of the other chromosomes. You do not need two X chromosomes active, in fact, in women one of the X chromosomes is inactive and condensed in a Barr body. Permalink 2
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