Post Utme Unn 2025 Biology Question 7

Practice objective / multiple choice question 7 from the 2025 Post Utme Unn Biology examination.

Post Utme Unn 2025 Biology Objective / Multiple Choice

Question 7 POST_UTME_UNN • 2025 • BIOLOGY • objective

A researcher is studying the genetic variation in a population of Drosophila melanogaster. Which of the following genetic principles best explains the observed variation in wing shape?

Correct Answer A. Natural selection acting on a pre-existing variation.

B. Genetic drift resulting from a small population size.

C. Mutation introducing a new allele for wing shape.

D. Gene flow from a neighboring population.

Correct Answer

Correct Option:

Natural selection acting on a pre-existing variation.

This is Post Utme Unn 2025 Biology Question 7. It is one of the objective questions from the 2025 Post Utme Unn Biology examination.

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