If a plant having yellow and round seeds was | vedclass

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(D) Mendel performed a dihybrid cross between a homozygous dominant plant with yellow and round seeds $(YYRR)$ and a homozygous recessive plant with g

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All yellow and round seeds

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(D) Mendel performed a dihybrid cross between a homozygous dominant plant with yellow and round seeds $(YYRR)$ and a homozygous recessive plant with green and wrinkled seeds $(yyrr)$.The gametes produced by the $YYRR$ parent are $YR$,and the gametes produced by the $yyrr$ parent are $yr$.Upon fertilization,these gametes fuse to form the $F_{1}$ generation with the genotype $YyRr$.Since yellow $(Y)$ is dominant over green $(y)$ and round $(R)$ is dominant over wrinkled $(r)$,all individuals in the $F_{1}$ generation will exhibit the dominant phenotype,which is yellow and round seeds.

If a plant having yellow and round seeds was crossed with another plant having green and wrinkled seeds,then the $F_{1}$-progeny are in the ratio:

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