JAMB Biology 2017 Objective — Question 13

Question 13 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2017 Objective paper, with the correct answer and a full explanation.

The allele which phenotypically expresses itself when in heterozygous pairing is said to be

A. A. a hybrid
B. B. a mutant
C. C. recessive
D. D. dominantCorrect

Explanation

The allele that expresses itself in a heterozygous pairing is dominant; the one that is masked is recessive.

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