Questions

Identify the correct statement

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Mendel’s simplest crosses involved only two pairs of contrasting traits.

During a cross of tall (true breeding variety) and dwarf pea plant, the dwarf trait that disappeared in the F1 generation, never reappeared in the F2 generation.

Pea plant shows natural cross pollination and self-pollination is very rare.

The results of Mendel’s monohybrid crosses were not sex dependent.

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detailed solution

Correct option is D

The results of Mendel’s monohybrid crosses were not sex dependent. In each cross, the F1 and F2 patterns of inheritance was similar regardless of which parental plant served as the source of pollen (sperm) and which served as the source of the ovum (egg). The crosses could be made either way—pollination of dwarf plants by tall plants, or vice versa. Crosses made in both these ways are called reciprocal crosses. Therefore, the results of Mendel’s monohybrid crosses were not sex dependent.Mendel’s simplest crosses involved only one pair of contrasting traits.During cross of tall (true breeding variety) and dwarf pea plant, the dwarf trait that disappeared in the F1 generation, reappears in the F2 generation.Naturally flowers of pea plant undergo self-pollination.

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