NEET 2019 Biology question

Extrusion of second polar body from egg nucleus occurs :

(1)after entry of sperm but before fertilizationCorrect
(2)after fertilization
(3)before entry of sperm into ovum
(4)simultaneously with first cleavage

Answer: (1)

Solution

The secondary oocyte released at ovulation is arrested at metaphase II. Entry of the sperm induces the completion of the meiotic division of the secondary oocyte, producing a large ovum (ootid) and the

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-092545