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Study the pedigree chart given below W...

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

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