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NEET2008ZoologyPrinciples of Inheritance and VariationActual

Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/ linkage?

Options

  1. ADown syndrome - 44 autosomes + XO
  2. BKlinefelter syndrome - 44 autosomes + XXY
  3. CColour blindness - Y-linked
  4. DErythroblastosis foetalis - X-linked

Correct answer

B. Klinefelter syndrome - 44 autosomes + XXY

Step-by-step solution

Downs syndrome -45+ XX or 45+ XY

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