JAMB Biology 1991 Question 38

Question 38

Chromosomes, DNA and Sex Linkage

The exchange of genes between homologous chromosomes is called

  1. A.test cross
  2. B.back cross
  3. C.crossing-over
  4. D.mutation
Show the answer and explanation

Answer: C (crossing-over)

Explanation

During meiosis homologous chromosomes swap segments; this is crossing-over.