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Question :When a red flowered Antirrhinum plant was crossed with a white flowered Antirrhinum plant, the F_1 offspring had pink flowers. Mention: (a) The genotype of F_1plants (b) The reason why it did not bear the parental red or white flower colours.

Answer»

SOLUTION : (a) Rr, (b) It is due to phenomenon of INCOMPLETE dominance, where dominant GENE in heterozygous CONDITION has reduced its expression in `F_1`generation so that each of them expresses itself PARTIALLY.


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