PATHOLOGY

Detailed explanation-1: -During fertilization, the acrosome’s secretion helps the sperm to enter into the cytoplasm of the ovum. This induces the completion of the second meiotic division of the secondary oocyte. The second meiotic division results in the formation of a second polar body and a haploid ovum.

Detailed explanation-2: -Polar bodies (PBs) are produced in the first and second meiotic division as oocytes complete maturation upon fertilization.

Detailed explanation-3: –The first and second polar body both do not undergo meiosis-II and usually disintegrate.-There is an unequal division of cytoplasm seen in the meiotic division as the mature egg retains most of the cytoplasm, which provides nourishment for the ovum during development.