NEETBiologyPrinciples of Inheritance and VariationMCQ+4 / −1
If both parents are carriers for thalessemia, which is an autosomal recessive disorder, what are the chances of
pregnancy resulting in an affected child ?
- A100%
- B25%
- Cno chance
- D50%
View written solutionFree
Correct answer: B
Genotype of carrier parents is – Aa (male parent) × Aa (female parent)

Aa → carriers child (50%)
aa → affected child (25%)
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