WAEC - Biology (2022 - No. 18)

The diagrams above are illustrations of two different cells involved in biological processing in mammals. Study them and answer this question.

Which parts of P and Q fuse to complete the biological process?

III and I
IV and I
III and II
IV and II

Explanation

P is a sperm cell whose nucleus(iii) then fuses with the egg plasma membrane(i) of the ovum(Q) and injects its nucleus and other organelles into the egg cytoplasm. 

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