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WAEC Biology 2008 Question 50

Question 50

Chromosomes, DNA and Sex Linkage

The sudden change in a gene structure or chromosome number in an organism likely to cause an inheritable change in the phenotype is known as

  1. A.migration
  2. B.mutation
  3. C.mitosis
  4. D.meiosis.
Show the answer and explanation

Answer: B (mutation)

Explanation

A mutation is a sudden heritable change in a gene or in chromosome number.