Which of the following phenomena follows the | vedclass

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(C) In a standard Mendelian monohybrid cross,the phenotypic ratio is $3:1$ and the genotypic ratio is $1:2:1$. In the case of incomplete dominance (e.

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Incomplete dominance

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(C) In a standard Mendelian monohybrid cross,the phenotypic ratio is $3:1$ and the genotypic ratio is $1:2:1$. In the case of incomplete dominance (e.g.,in $Antirrhinum$ $majus$ or snapdragon),the phenotypic ratio of the $F_2$ generation is $1:2:1$ (red:pink:white). The genotypic ratio in incomplete dominance is also $1:2:1$ (homozygous dominant:heterozygous:homozygous recessive). However,the question asks for a phenomenon that follows the Mendelian phenotypic ratio $(3:1)$ but deviates from the genotypic ratio. Actually,incomplete dominance is characterized by the phenotypic ratio becoming $1:2:1$,which matches the genotypic ratio. Therefore,the correct answer is $C$.

Which of the following phenomena follows the phenotypic ratio of a Mendelian monohybrid cross but deviates from the genotypic ratio?

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