XXX FOR DUMMIES

xxx for Dummies

Chromosomes are classified as the blueprint of existence, carrying all the genetic details. You've got 23 pairs of chromosomes, and a single of such pairs determines your baby's gender—the sex chromosomes, labeled X and Y. The mix of such chromosomes (XX for women, XY for boys) decides the intercourse of one's baby.Chromosomes tend to be the blue

read more