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WAEC Biology 2011 Question 20

Question 20

Reproduction in Animals

During sexual reproduction in Paramecium, how many times does the zygote divide to produce eight nuclei?

  1. A.1
  2. B.2
  3. C.3
  4. D.4
Show the answer and explanation

Answer: C (3)

Explanation

One nucleus divides into 2, then 4, then 8: three divisions (23 = 8).