The sperms contain 22 pair of autosomes and:
In human sperm, the cytoplasm around the mitochondria is called
The placenta in human is-
In males, the process of spermiogenesis is induced by
Gestation period is the duration between
Reproduction at larval stage is called
Antifertilizins are secreted by
How many sperms and ova will be produced from 25 primary spermatocytes and 25 primary oocytes respectively?
The________of the spermatozoa possesses numerous mitochondria.
Embryo of mammals with embryonic membrane are called