JAMB Biology 2014 Objective — Question 47

Question 47 of 49 from the Joint Admissions and Matriculation Board (JAMB) Biology 2014 Objective paper, with the correct answer and a full explanation.

If the dogs are offspring of a monohybrid cross and the gene G for grey head is dominant over its allele g, the individual whose genotype is likely to be gg is

A. I
B. IVCorrect
C. III
D. II

Explanation

If G (grey head) is dominant over g, then a dog without a grey head must have the genotype gg.

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