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JAMB Biology 2021 Objective — Question 2

Question 2 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2021 Objective paper, with the correct answer and a full explanation.

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2. Which of the following is true about sex-linked characters? (a) they are dominant and linked to X-chromosome (b) They are recessive and linked to X-chromosome (c) They are dominant and linked to Y-chromosome (d) they are recessive and linked to Y-chromosome

  • A. they are dominant and linked to X-chromosome
  • B. They are recessive and linked to X-chromosomeCorrect
  • C. They are dominant and linked to Y-chromosome
  • D. they are recessive and linked to Y-chromosome

Explanation

Sex-linked characters are recessive and are linked to the X-chromosome.

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