A plant TT for tall height is crossed with a plant tt for short height. The offspring have the genotype Tt. What is the phenotype of the plant? tall heightshort heightTttt

The genotype Tt contains one dominant T allele for tall height and one recessive t allele for short height. A dominant allele determines the phenotype when it is present, so a Tt plant has tall height. The correct choice is tall height.

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