A single gene can exhibit multiple phenotypic | vedclass

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(B) The phenomenon where a single gene influences multiple phenotypic traits is known as $Pleiotropy$. In this case,the gene product (usually a protei

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Pleiotropy

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(B) The phenomenon where a single gene influences multiple phenotypic traits is known as $Pleiotropy$. In this case,the gene product (usually a protein or enzyme) affects several different metabolic pathways or developmental processes,leading to diverse phenotypic expressions. For example,in $Pisum$ $sativum$ (garden pea),the gene for starch synthesis also influences the shape and size of the seed. Similarly,in humans,the disease $Phenylketonuria$ is caused by a mutation in a single gene,which results in multiple symptoms like mental retardation and reduction in hair and skin pigmentation.

$A$ single gene can exhibit multiple phenotypic expressions; this is called.....

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