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All the progeny of F1 generation of a dihybrid cross are genotypically identical for the locus under study.

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in Biology – Class 12 by (271k points)
All the progeny of F1 generation of a dihybrid cross are genotypically identical for the locus under study.

(a) True

(b) False

This question was addressed to me by my school principal while I was bunking the class.

Question is taken from Inheritance of Two Genes-1 in division Principles of Inheritance and Variation of Biology – Class 12

1 Answer

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Correct answer is (a) True

Easiest explanation: The dihybrid cross initiates with true-breeding parents who are homozygous for two traits. Thus, each of them can only produce a single type of gamete. Hence the offsprings in the F1 generation are all genetically identical.

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