Q13 of 48 Page 21

How does zona pellucida of ovum help in preventing polyspermy?

Polyspermy refers to the fertilization of an egg through more than one sperm. Proteases destroy the protein link between the cell and vitelline membrane as well as between the receptor protein and any other sperm bound to it, hence, prevents polyspermy.


More from this chapter

All 48 →
11

What is the difference between a primary oöcyte and a secondary oöcyte?

 12

What is the significance of ampullary–isthmic junction in the female reproductive tract?

 14

Mention the importance of LH surge during menstrual cycle.

 15

Which type of cell division forms spermatids from the secondary spermatocytes?