Zoology - Principles of Inheritance and Variation Question with Solution | TestHub
ZoologyPrinciples of Inheritance and VariationGenetic DisordersEasy2 minPYQ_2018
ZoologyEasysingle choice
Assertion : Accumulation of phenyl pyruvic acid in brain results in mental retardation in case of phenylketonuria. Reason: The affected individual lacks enzyme for the conversion of phenylalanine into tyrosine.
Options:
Answer:
A
Solution:
Phenylketonuria is an autosomal recessive disease, caused due to mutation in chromosome 7 . In this disease, phenyl pyruvic acid gets accumulated in brain. Affected individual lacks phenylalanine hydroxylase.
Stream:AIIMSSubject:ZoologyTopic:Principles of Inheritance and VariationSubtopic:Genetic Disorders
⏱ 2mℹ️ Source: PYQ_2018
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