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WAEC Biology 2022 Question 19

Question 19

Reproduction in Animals

The diagrams are illustrations of two different cells (P and Q) involved in a biological process in mammals.
Which parts of P and Q fuse to complete the biological process?

Diagram for this question
  1. A.III and I
  2. B.IV and I
  3. C.III and II
  4. D.IV and II
Show the answer and explanation

Answer: A (III and I)

Explanation

At fertilisation the nucleus in the sperm head (III) fuses with the egg nucleus (I).