NEET Biology question

A pleiotropic gene

(A)Controls a trait only in combination with another gene
(B)Controls multiple traits in an individualCorrect
(C)Is expressed only in primitive plants
(D)Is a gene evolved during the Pliocene

Answer: (B)

Solution

Pleiotropy is the phenomenon in which a single gene influences multiple, often seemingly unrelated, phenotypic traits (e.g., the gene for phenylketonuria affects hair/skin pigmentation, mental ability and other traits

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Question ID VK-120203