Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question
Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation2 Marks
Question
Explain pleiotropy with the help of an example.
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Answer
Pleiotropy is the phenomenon in which a single gene exhibits multiple phenotypic expression.
The pleiotropic gene affects the metabolic pathways, resulting in different phenotypes.
For example, phenylketonuria is caused by mutation in the gene coding the enzyme phenylalanine hydroxylase.
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