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What is the zygosity of the F1 progeny of a dihybrid cross?(a) Homozygosity(b) Heterozygosity(c) Hemizygostiy(d) NullizygosityThe question was asked in an online quiz.Enquiry is from Inheritance of Two Genes-1 topic in chapter Principles of Inheritance and Variation of Biology – Class 12

Answer»

Right choice is (B) Heterozygosity

Explanation: The F1 progeny of a dihybrid cross are formed by a cross between parents that are homozygous for two traits. Thus, they are all HETEROZYGOUS.



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