NEET Biology question
Match the following columns.
| Column I | Column II | |---|---| | (A) Autosomal linked recessive trait | (1) Down's syndrome | | (B) Sex linked recessive disease | (2) Phenylketonuria | | (C) Metabolic error linked to autosomal recessive trait | (3) Haemophilia | | (D) Additional 21st chromosome | (4) Sickle-cell anaemia |
Answer: (A)
Solution
Sickle-cell anaemia is the classic autosomal linked recessive trait, matching A(4); haemophilia is the classic sex-linked recessive disease, matching B(3); phenylketonuria is the classic metabolic error linked to an
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