explain in detail how sex is detemined in human beings
Answers
Answered by
4
Sex determination. A baby's sex is determined at the time of conception. When the baby is conceived, a chromosome from the sperm cell, either X or Y, fuses with the X chromosome in the egg cell, determining whether the baby will be female (XX) or male (XY).
Answered by
1
when X and Y chromosomes combine then there is a boy born; but whenX and X combine then girl is born
Similar questions