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WAEC Biology 2004 Question 57

Question 57

Cell Division

Which of the following statements is correct about the chromosomes in the gametes? At the end of the second meiotic division.

  1. A.each gamete contains only paternal hereditary information
  2. B.chromosomes contain a random mixture of paternal and maternal chromosomes.
  3. C.chromosomes in the four gamete cells are diploid in number
  4. D.chromosomes contain only maternal hereditary information.
Show the answer and explanation

Answer: B (chromosomes contain a random mixture of paternal and maternal chromosomes.)

Explanation

During meiosis the pairs of chromosomes separate at random, so each haploid gamete gets a random mixture of chromosomes from the father and mother.