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BIOLOGY

JAMB 2010 - Question 47

Biology 2010 JAMB Past Questions - Question 47: if both parents are heterozygous for a trait, the probability that an offspring will be recessive for that trait is

Choose the most appropriate option for the gap .

if both parents are heterozygous for a trait, the probability that an offspring will be recessive for that trait is

A: 1/2

B: 1/4

C: 1

D: 3/4

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Correct Answer

Explanation

B - Assuming both parents are heterozygous tall, thentheir parental genotypes will be Ttprobability =No. of expected outcome No. of possible outcome =1/4