THE BEST SIDE OF XXX

The best Side of xxx

Chromosomes are definitely the blueprint of life, carrying all the genetic details. You have 23 pairs of chromosomes, and 1 of these pairs establishes your baby's gender—the intercourse chromosomes, labeled X and Y. The combination of these chromosomes (XX for women, XY for boys) establishes the intercourse of your baby.Chromosomes are the bluepr

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