Acrosome of sperm is formed from
Nucleus of spermatid
Mitochondria of spermatid
Golgi complex of spermatid
Centrosome of spermatid
The structure which attaches the ovaries with the dorsal wall is known as
Egg which contains very little amount of yolk are called as
The phenomenon of fertilization was first perceived by
Telolecithal eggs have
The longest gestation period is found in