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Question : A cross between a tall plant (TT) and short pea plant (tt) resulted in progeny that were all tall plants because

Answer»

SHORTNESS is the DOMINANT TRAIT.
tallness is the RECESSIVE trait.
shortness is the recessive trait.
height of pea PLANT is not governed by fact T and t.

Solution :All the progeny of this cross will have genotype Tt and a recessive trait cannot express itself in presence of dominant trait. A pea plant will be dwart only whern both the alleles are t.


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