The gene for tallness (T) in a pea plant is dominant over the gene for shortness (t). The Punnett square below shows the cross between two tall pea plants (Tt). What is the phenotypic ratio of the offspring produced as a result of the cross?
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Answer:
3:1
Explanation:
T represents for tallness gene
t represents for shortness gene
cross between two tall tea plants having genes Tt is as:-
Tt Tt
T t
T: TT Tt
t: Tt tt
so the phenotylic ratio is 3 : 1
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