Question

Which secretions are produced by spermatozoa at the time of fertilization?
(i) Antifertilizin and Specmlysin
(ii) Fertilizin and Spermlysin
(ii) Fertilizin and antifertilizin
(iv) Spermlysin only
orin
10
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Answer 1

Explanation:

• At the time of the fertilization, the spermatozoa produce certain enzymes and proteins that enable it to penetrate the walls of the ova.
• One of the proteins is the antifertilizin that reacts with the fertilizin protein present n the zona pellucida layer.