The longest gestation period is found in
Elephant
Gorilla
Chimpanzee
Man
Which of the following is similar in function to Cowper's gland
Mammalian eggs have
$A$ : After menopause the levels of blood gonadotropins will rise markedly.
$R$ : At the time of menopause all the ovarian follicles are converted into follicular atresia and the ovaries are not responding to the gonadotropins
Cumulus covers
At what stage the primitive streak in the chick embryo is formed