Question

The second maturation division of the mammalian ovum occurs ______.

Options

• Shortly after ovulation before the ovum makes entry into the Fallopian tube

• Until after the ovum has been penetrated by a sperm

• Until the nucleus of the sperm has fused with that of the ovum

• in the Graafian follicle following the first maturation division

Answer 1

The second maturation division of the mammalian ovum occurs until after the ovum has been penetrated by a sperm.