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4.Principles of Inheritance and Variation
medium
Study the pedigree chart given below.
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What does it show?

A
Inheritance of a sex-linked inborn error of metabolism like phenylketonuria
B
Inheritance of a condition like phenylketonuria as an autosomal recessive trait
C
The pedigree chart is wrong as this is not possible
D
Inheritance of a recessive sex - linked disease like haemophilia
Solution
Solution is Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.
Standard 12
Biology