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NEETZoologyPrinciples of Inheritance and Variation

Disorder Effect A. Down syndrome 1. Polymerisation of RBCs B. Turner syndrome 2. Gynecomastia C. Klinefelter syndrome 3. Congenital Heart diease D. Sickle Cell anemia 4. Rudimentary Ovaries

Options

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

Correct answer

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

Step-by-step solution

Down syndrome: Congenital Heart Disease Turner syndrome: rudimentary besides other features including lack of other secondary sexual characters Klinefelter syndrome: masculine development, however, the feminine development (development of breast, i.e., Gynaecomastia Sickle Cell anemia: polymerisation under low oxygen tension causing the change in the shape of the RBC from biconcave disc to elongated sickle like structure

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