In humans, at the end of the first meiotic division, the male germ cells form
Spermatogonia
Primary spermatocytes
Secondary spermatocytes
Spermatids
In the diagram of section of Graafian follicle, different parts are indicated by alphabets; choose the answer in which these alphabets have been correctly matched with the parts they indicate........
The layer of uterus which becomes much eroded due to placental villi is known as
Function of fertilizin is/are
An avian blastula is called
Hysterectomy is surgical removal of