28.# Sea turtle mating occurs at sea, either submerged or on the surface. The male grasps the female's shell with his front flippers and inserts his long tail into her body. If sea turtle spermatogenesis is like human spermatogenesis, the sperm that the male deposits in the female
a) have chromosomes with two chromatids attached at a centromere.
b) lack homologous pairs of chromosomes.
c) are diploid.
d) All of these.