L In the common garden pea (pr um sativum),the gene for red flower color (R) is_dominant to the gene for white flower color
(i). If a homozygous red plant is crossed with a white plant, what will be the genotype of iheloffspringr If two members of the Fl generation are crossed witlh each other, what will b"e the genotypes and phenotypes ofthe F2 generation

RR - homozygous red

Rr- heterozygous red

rr - homozygous white

Explanation:

Given -

Allele for red color of flower is "R" and allele for white color flower is "r"

Also, R is dominant over r

In the F1 cross a homozygous red plant is crossed with a homozygous white plant.

Genotype of homozygous red plant - RR

Genotype of homozygous white plant - rr

RR * rr

Rr, Rr, Rr, Rr

In the F2 cross, offsprings of F1 generation are crossed.

Rr* Rr

RR, Rr, Rr, rr

Genotype & Phenotype

RR - homozygous red

Rr- heterozygous red

rr - homozygous white

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