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NEET BIOLOGYMedium

Select the correct match:

A

Phenylketonuria - Autosomal dominant trait

B

Sickle cell anemia - Autosomal recessive trait, chromosome-11

C

Thalassemia - X linked

D

Haemophilia - Y linked

Step-by-Step Solution

  1. Phenylketonuria is an inborn error of metabolism inherited as an autosomal recessive trait , not dominant.
  2. Sickle cell anemia is an autosome linked recessive trait . It is caused by a mutation in the gene coding for the beta-globin chain of haemoglobin. The text mentions that Thalassemia (affecting the same beta-globin chain) is controlled by a gene on chromosome 11 . Thus, Sickle cell anemia is correctly matched.
  3. Thalassemia is an autosome-linked recessive blood disease , not X-linked.
  4. Haemophilia is a sex linked (X-linked) recessive disease , not Y-linked.
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Solved: BIOLOGY Question for NEET | Sushrut