Which of the following are produced by the spermatozoa at the time of fertilization?

Fertilizin and Antifertilizin

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Antifertilizin and Sperm lysin

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Fertilizin and Sperm lysin

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Only sperm lysin

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Solution

The correct option is B Antifertilizin and Sperm lysin
Fertilizin is the coating of gelatinous substance, which is composed of carbohydrate and protein.
Antifertilizin is immunologically specific substance produced by sperm, which causes the sperm to adhere and penetrate the egg.
Sperm lysin is a protein that binds to the vitelline envelope and then dissolves the same by a non-enzymatic mechanism.
Thus, the correct answer is option B.

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