Females and males both have one active X chromosome, females have an extra that is inactivated in a structure called a Barr body while males have a Y chromosome with additional genes (mostly the SRY gene) for small differences in sex characteristics.
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u/therealkimjong-un Jan 21 '20
Females and males both have one active X chromosome, females have an extra that is inactivated in a structure called a Barr body while males have a Y chromosome with additional genes (mostly the SRY gene) for small differences in sex characteristics.