In pea plants, a gene R produces red flowers and is dominant to a gene r, which produces white flowers. A gene T produces tall plants and is dominant to a gene t for short plants. If a plant that is homozygous for red flowers and heterozygous for tallness is crossed with a plant that is short and white, what will be the phenotypic ratio of the offspring?
A. one tall red:one short red
B. nine tall red:three short red:three tall white:one short white
C. three tall red:one short red:one tall white
D. one short white:two short red:one tall white
A. one tall red:one short red
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