THE SMART TRICK OF XXX THAT NO ONE IS DISCUSSING

The smart Trick of xxx That No One is Discussing

Chromosomes will be the blueprint of life, carrying many of the genetic facts. You've got 23 pairs of chromosomes, and 1 of those pairs determines your baby's gender—the sexual intercourse chromosomes, labeled X and Y. The mixture of those chromosomes (XX for ladies, XY for boys) establishes the intercourse of your respective baby.Chromosomes are

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