Binary fission occurs in

The preparation of sperm, before penetration into ovum, is called

The period of  pregnancy is referred as the

Immediately after ovulation, the mammalian egg is covered by a membrane known as 

Which of the following is the actual genetic part of the sperm?

The most fundamental characteristics of living being is

Fertilization of ovum in mammals, takes place in

Sertoli cells are found in

Which of the following  initiates the preparation of uterus for the implantation of ovum? 

Cumulus covers