2019 Human ReproductionFertilisation and Implantation Medium Question 43 of 116 in Human Reproduction

Extrusion of second polar body from egg nucleus occurs:

A after entry of sperm but before fertilization
B after fertilization
C before entry of sperm into ovum
D simultaneously with first cleavage

The answer is A.

Solution

Concept timing of second polar body extrusion

Human Reproduction in past papers

116 questions from this chapter have appeared across 27 exam years.