NEETBiologyPrinciples of Inheritance and VariationMCQ+4 / −1
A man and a woman, who do not show any
apparent signs of a certain inherited disease,
have seven children (2 daughter and 5 sons).
Three of the sons suffer from the given disease
but none of the daughters are affected. Which of
the following mode of inheritance do you
suggest for this disease
- AAutosomal dominant
- BSex-linked recessive
- CSex-linked dominant
- DSex-limited recessive
View written solutionFree
Correct answer: B
The daughters receive one X chromosome from the father and one X chromosome from the mother. Since all the daughters suffer from their father’s disease, the X chromosome from the father must be carrying a dominant trait.
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