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Pathology

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Genetics

Question
10 out of 18
 

True statement about inheritance of X-linked recessive trait is- (AIIMS May 2014)



A 50% of boys of carrier mother are affected

B 50% of girls of diseased father are carrier

C Father transmits disease to son

D Mother transmits disease to the daughter

Ans. A 50% of boys of carrier mother are affected

An affected male does not transmit the disorder to his sons, but all daughters are carriers. Sons of heterozygous women have, of course, one chance in two of receiving the mutant gene. The heterozygous female usually does not express the full phenotypic change because of the paired normal allele

Genetics Flashcard List

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