WAEC Biology 2013 Question 52

Question 52

Chromosomes, DNA and Sex Linkage

A gene that is only located on X-chromosome is said to be

  1. A.expressed in females only.
  2. B.defective.
  3. C.sex-linked.
  4. D.expressed in males only.
Show the answer and explanation

Answer: C (sex-linked.)

Explanation

Genes carried on the sex (X) chromosome are called sex-linked genes.