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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION
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In fruit flies, dumpy wings are shorter and broader than normal wings. The allele for normal wings (D) is dominant to the allele for dumpy wings (d). Seventy five normal-winged and twenty five dumpy-winged flies. The genotype of parents would be
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Correct option: C
Dd and Dd
Option C (Dd and Dd) is correct because a cross between two heterozygotes will produce a 3:1 phenotypic ratio, which matches the given data.
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