WAEC Biology 2025 Question 15

Question 15

Chromosomes, DNA and Sex Linkage

The process occurring in the illustrated molecule below is

Diagram for this question
  1. A.Protein synthesis.
  2. B.gene coding.
  3. C.DNA replication.
  4. D.gene mutation.
Show the answer and explanation

Answer: C (DNA replication.)

Explanation

The double helix is unzipping and each strand is being built into a new double helix, so the DNA is copying itself (replication).