Verified Answer :

It means that the trait is heterozygous. Also, "T" is common used as the letter to represent the trait "Tall".

ampritchard

I agree that Tt means that the trait is heterozygous. So you have one dominate trait T, and one recessive trait t.

Hopefully this helped and good luck.


Just for fun:


tt= homozygous recessive


TT= homozygous dominant

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