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WAEC Biology 2019 Question 44

Question 44

Chromosomes, DNA and Sex Linkage

The diagram below is an illustration of a process occurring in a living animal cell. The process is called

Diagram for this question
  1. A.replication.
  2. B.cell maturation.
  3. C.crossing over.
  4. D.mutation.
Show the answer and explanation

Answer: A (replication.)

Explanation

One DNA double helix separates and each strand is used as a template, giving two identical DNA molecules. This is DNA replication.