試題詳解

7. Spermatogenesis and oogenesis are different in that
(A) Spermatogenesis produces four sperm and oogenesis produces one egg.
(B) Spermatogenesis produces four sperm and oogenesis produces two eggs.
(C)Spermatogenesis produces four cells and oogenesis produces one haploid cell.
(D) Oogenesis begins at the onset of puberty.
(E) Spermatogenesis begins in the embryonic stage of development.