A cross between two tall garden pea plants produced all tall plants. The possible genotypes of the parents are
I) TT, TT II) TT, Tt III) Tt, tt IV) Tt, Tt
The correct answer is

III, IV

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I, IV

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I, II

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II, III

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Solution

The correct option is C I, II
A cross between two tall garden pea plants produced all tall plants. The possible genotypes of the parents are TT, TT and TT, Tt.

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The dwarf variety of garden pea plants are now known to have a mutation in a gene needed for synthesis of gibberellin. $F_{1}$ plant obtained by Mendel from the tall (TT) $\times$ dwarf (tt) cross were tall.
Which of the following inferences can be drawn from the given information?
(i) Gibberellin causes elongation of stems.
(ii) Heterozygous (Tt) plants produce the same amount of gibberellin as homozygous dominant (TT) plants.
(iii) Gibberellin induces production of auxin.
(iv) Mutation may have occurred in a gene producing an enzyme.

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A cross between two tall garden pea plants produced all tall plants. The possible genotypes of the parents are I) TT, TT II) TT, Tt III) Tt, tt IV) Tt, Tt The correct answer is

The correct option is C I, IIA cross between two tall garden pea plants produced all tall plants. The possible genotypes of the parents are TT, TT and TT, Tt.

A cross between two tall garden pea plants produced all tall plants. The possible genotypes of the parents are
I) TT, TT II) TT, Tt III) Tt, tt IV) Tt, Tt
The correct answer is

The correct option is C I, II
A cross between two tall garden pea plants produced all tall plants. The possible genotypes of the parents are TT, TT and TT, Tt.