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Class 12BiologyPrinciples of Inheritance and VariationPedigree Analysis and Mendelian disorders
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$A$ girl of normal vision whose father was colourblind marries a man of normal vision whose father was also colourblind. What percentage of their sons would be colourblind?

  • A
    All colourblind
  • B
    $50\%$ colourblind
  • C
    All normal
  • D
    $25\%$ colourblind
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Class 12 Questions

Class 12

Biology Questions

Chapter

Principles of Inheritance and Variation

Subtopic

Pedigree Analysis and Mendelian disorders

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