A long strand of DNA that contains many genes; there are 46 human chromosomes (22 pairs of chromosomes, and the X and Y chromosomes). Women have 44 autosomes plus two copies of the X chromosome. Men have 44 autosomes plus an X and a Y chromosome.
A long strand of DNA that contains many genes; there are 46 human chromosomes (22 pairs of chromosomes, and the X and Y chromosomes). Women have 44 autosomes plus two copies of the X chromosome. Men have 44 autosomes plus an X and a Y chromosome.