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In the notation used for the monohybrid cross (TT, Tt, tt), which genotype(s) result in a tall plant?

Question
In the notation used for the monohybrid cross (TT, Tt, tt), which genotype(s) result in a tall plant?
Only tt
Only TT
Both TT and Tt
Neither TT nor Tt
Answer
Both TT and Tt
Detailed Explanation
Both TT and Tt genotypes produce tall plants since 'T' is dominant; only tt plants are short.
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