A) fertilizin of A and antifertilizin of B are not compatible
B) antifertilizin of A and fertilizin of B are not compatible
C) fertilizin of A and B are not compatible
D) antifertilizin of A and B are not compatible
Correct Answer: B
Solution :
Fertilizin is a glycoprotein or acid mucopolysaccharide present in the surface layer of egg while antifertilizin is another chemical present on the surface layer of spermatozoa. The reaction between fertilizing and antifertilizin molecules account for agglutination of spermatozoa by egg and adhesion of spermatozoa to egg membrane. This reaction is species specific, hence sperm of animal species A cannot fertilize ovum of species B.
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