-1 Importance in forensic terms denies paternity, but not proven.
-2 Important in the transfer of blood from one person to another.
Each cell in the human body by 46 chromosome 23 pair of them 44 bodily chromosome (self) and a pair of sex chromosomes symbolizes him in the female XX In the male XY
Man produces two different types of gametes (sperm) one X chromosome And the other Y chromosome
Female produces one type of gametes (eggs) contain only the X chromosome .
Responsible for determining the sex of the baby is the man and not the mirror because the man has two different types of gametes.
