What did the Y chromosome say to the X chromosome?
Any room for me in those genes?
Some say that there's no benefit in having a Y chromosome...
Actually, it makes a vas deferens.
Kyle always brags about being the manliest of the group.
We tell him that because he has an extra Y chromosome.
Of course our company is an equal opportunity employer
We always make sure to have equal numbers of X and Y chromosomes
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