AIPMT PRELIMS 2009 Botany Pedigree Analysis MCQ Question with Solution

Study the pedigree chart given below: What does it show?

A

Inheritance of a condition like phenylketonuria as an autosomal recessive trait

B

The pedigree chart is wrong as this is not possible

C

Inheritance of a recessive sex-linked disease like haemophilia

D

Inheritance of a sex-linked inborn error of metabolism like phenylketonuria

Option A

The pedigree shows an autosomal recessive trait as both parents are carriers (heterozygous) and two children are affected.

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AIPMT PRELIMS 2009 Botany Pedigree Analysis MCQ Question