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If you cross two different strains of white flower you may get a purple flower in a sweet pea plant.

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If you cross two different strains of white flower you may get a purple flower in a sweet pea plant.

(a) True

(b) False

The question was asked during an interview for a job.

The doubt is from Duplicate Epistasis topic in chapter Extension and Deviation from Mendelian Genetic Principles of Cytogenetics

1 Answer

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Best answer
Correct option is (a) True

Explanation: In this case, the purple sweet pea flower due to duplicate epistasis needs atleast one dominant allele at each locus. Two white flowers may have homozygosity and heterozygosity at different locus and finally would give a purple flower.

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