NEET Biology question

Choose the correct option for the chromosomal disorders: I. Colour blindness; II. Down's syndrome; III. Phenylketonuria; IV. Turner's syndrome; V. Thalassaemia.

(A)I, II and III
(B)II, IV and V
(C)III, IV and V
(D)II and IVCorrect

Answer: (D)

Solution

Chromosomal disorders arise from an excess, absence or abnormal arrangement of whole chromosomes; among the listed conditions, only Down's syndrome (trisomy of chromosome 21) and Turner's syndrome (monosomy

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Question ID VK-120054