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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION

1 Medium

1 of 1

Analyzing +4 | -1

Which of the following crosses would result in 1 : 2 : 1

{F_2}

ratio?

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Correct option: D

\times

Option B (Yy

\times

Yy) is correct because a cross between two heterozygotes (Yy) results in a 1:2:1 genotypic ratio (YY:Yy:yy) and, assuming incomplete dominance, a corresponding phenotypic ratio.

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{F_1}

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{F_1}

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