Multiple choice

Which of the following are examples of autosomal recessive hereditary disorders?

  1. Albinism
  2. Phenylketonuria
  3. Achondroplasia
  4. Brachydatyly

  1. 1 and 2

  2. 1 and 3

  3. 2 and 3

  4. 2 and 4

  5. 3 and 4
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A Correct answer
Explanation

Albinism and Phenylketonuria are examples of autosomal recessive hereditary disorders. Albinism is caused due to inability to produce melanin pigment characterized by absence of normal colouration of skin. Phenylketonuria is a metabolic disorder which arises due to deficiency of an enzyme phenylalanine hydroxylase,  which converts phenylalanine to tyrosine.

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