Gamete formation in human males is different from gamete formation in human females in that human males
a. have a shorter reproductive life span than human females.
b. make sperm throughout their lives, beginning at puberty, whereas human females are born with all their primary oocytes poised to develop into eggs that may be fertilized.
c. produce gametes in the gonads, whereas human females produce eggs in the gut.
d. make two polar bodies during spermatogenesis, whereas human females do not.