NEET Biology question

Blue eye colour is recessive to brown eye colour. A brown-eyed man whose mother was blue-eyed marries a blue-eyed woman. The children will be

(A)Both blue-eyed and brown-eyed, 1 : 1Correct
(B)All brown-eyed
(C)All blue-eyed
(D)Blue-eyed and brown-eyed, 3 : 1

Answer: (A)

Solution

Since the brown-eyed man's mother was blue-eyed (homozygous recessive, ), he must have inherited one recessive allele from her, making his own genotype heterozygous, (brown-eyed, since is

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Question ID VK-120236