For a poly hybrid cross concerning N trait, what is the number of squares required in the Punnett square to check for the F2 generation?(a) 2^N(b) N^2(c) 2^(2N)(d) (2N)^2The question was posed to me during a job interview.Origin of the question is Inheritance of Two Genes-2 topic in chapter Principles of Inheritance and Variation of Biology – Class 12

For a poly hybrid cross concerning N trait, what is the number of squa

1.	For a poly hybrid cross concerning N trait, what is the number of squares required in the Punnett square to check for the F2 generation?(a) 2^N(b) N^2(c) 2^(2N)(d) (2N)^2The question was posed to me during a job interview.Origin of the question is Inheritance of Two Genes-2 topic in chapter Principles of Inheritance and Variation of Biology – Class 12
Answer» Correct choice is (C) 2^(2N) To explain: For a poly hybrid cross involving N traits, ACCORDING to the law of independent ASSORTMENT, 2^N types of gametes will be PRODUCED by each parent. Therefore, the cross of these PROGENY will give (2^N)*(2^N) = 2^(2N).

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