NEET Biology question

is an example of an X-linked recessive trait.

(A)Phenylketonuria
(B)HaemophiliaCorrect
(C)Cystic fibrosis
(D)Sickle-cell anaemia

Answer: (B)

Solution

Haemophilia is caused by a recessive allele located on the X-chromosome, making it the classic example of an X-linked recessive trait. Phenylketonuria

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Question ID VK-120363