If the first cleavage furrow divides the zygote completely into two, the cleavage type is
Radial
Equatorial
Meroblastic
Holoblastic
Growth and maturation of Graafian follicle is controlled by ...........
Withdrawal of which of the following hormones is the immediate cause of menstruation?
The layer of uterus which becomes much eroded due to placental villi is known as
Graafian follicle contains
The sperm penetrates the ovum mainly