When Mendel crossed a true-breeding white-flo | vedclass

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(C) The correct answer is $(C)$.In Mendel's experiment,the parents are true-breeding,meaning they are homozygous. Let the genotype for red flowers be

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Red-flowered and white-flowered plants in the ratio $3 : 1$

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(C) The correct answer is $(C)$.In Mendel's experiment,the parents are true-breeding,meaning they are homozygous. Let the genotype for red flowers be $RR$ and for white flowers be $rr$.The $F_1$ generation obtained from the cross $RR 	imes rr$ results in all heterozygous $Rr$ offspring,which show the dominant red phenotype.When $F_1$ individuals $(Rr)$ are self-crossed $(Rr 	imes Rr)$,the $F_2$ generation genotypes are $RR$ $(1)$,$Rr$ $(2)$,and $rr$ $(1)$.Thus,the phenotypic ratio of red-flowered plants to white-flowered plants is $3 : 1$.

When Mendel crossed a true-breeding white-flowered strain of peas with a true-breeding red-flowered strain,the individuals in the $F_2$ generation represented:

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