Fertilization is defined as:
- AThe fusion of a secondary spermatocyte with a secondary oocyte.
- BThe fusion of a secondary spermatocyte and an ovum to form a zygote.
- CThe fusion of a sperm and an ovum to form a diploid zygote.
- DThe fusion of a diploid sperm and a haploid ovum to form a triploid zygote.
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$R$: They help in the agglutination reaction by interacting with anti-fertilizins on the sperm surface to facilitate fertilization.
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