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WAEC Biology 2020 Objective — Question 44

Question 44 of 50 from the West African Examinations Council (WAEC) Biology 2020 Objective paper, with the correct answer and a full explanation.

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Which of the following statements about chromosomes is correct?

  • A. all the chromosome of a species are the same shape
  • B. the number present in a species is constantCorrect
  • C. they are neatly arranged in the cytoplasm
  • D. they bear ribosomes on their outer membranes

Explanation

All members of a given species have a fixed chromosome number. For instance, the diploid chromosome number in humans is 46.

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