Zoology - Human Reproduction Question with Solution | TestHub

In mammalian ovum during maturation phase, meiosis occurs, nucleus shifts towards animal pole and undergoes meiosis-I. After fertilization (penetration of sperm), the second meiotic division is completed with unequal cytoplasmic cleavage. This forms a large cell the ootid with essentially whole of the cytoplasm and a very small cell, the second polar body.