NECO Biology 2025 Objective — Question 44
Question 44 of 50 from the National Examinations Council (NECO) Biology 2025 Objective paper, with the correct answer and a full explanation.
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A couple heterozygous for albino genes have normal skin colour. What is the probability that their child would be an albino?
- A. 1/2
- B. 1/3
- C. 1/4Correct
- D. 1
Explanation
When both parents are heterozygous (Aa), where A is the dominant normal skin colour allele and a is the recessive albino allele, there is a 1 in 4 chance that their child will inherit two recessive alleles (aa) and thus be albino.
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