How many sex chromosomes does a human have?
In an average somatic (body) cell, two. and in human gametes
there is , one
all chromosomes in human body is , 46 chromosomes. in normal
female somatic cell is (44+XX) . in normal male somatic cell
(44+XY) in normal female gametes (22+X) in normal male gametes
(22+X) or (22+Y) .