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NEETZoologyPrinciples of Inheritance and Variation

Genetic Disorder Type of Inheritance A. Cystic fibrosis 1. Autosomal recessive B. Hemophilia 2. X-linked recessive C. Down syndrome 3. Autosomal dominant D. Muscular Dystrohpy 4. Chromosomal abnormality

Options

  1. AA - 2, B - 4, C - 1, D - 3
  2. BA - 3, B - 1, C - 2, D - 4
  3. CA - 1, B - 2, C - 4, D - 3
  4. DA - 4, B - 3, C - 2, D - 1

Correct answer

C. A - 1, B - 2, C - 4, D - 3

Step-by-step solution

Cystic fibrosis: Autosomal recessive inheritance. Hemophilia: X-linked recessive inheritance. Down syndrome: Chromosomal abnormality (trisomy 21). Muscular Dystrophy: Autosomal dominant inheritance.

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