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Algebraic Identities

In a cross, o...

Question

In a cross, offsprings were 25% yellow round, 25% yellow wrinkled, 25% green round, 25% green wrinkled of which cross these results were obtained?

A

Y Y R R \times y y r r

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B

Y y R R \times Y y R r

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C

Y y R R \times y y r r

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D

Y y R r \times y y r r

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Solution

The correct option is D $Y y R r \times y y r r$
Punnet's square for cross YyRr × yyrr can be represented as :-

Gametes YR Yr yR yr
yr YyRr (Yellow round ) Yyrr ( Yellow wrinkled ) yyRr ( Green round ) yyrr ( green wrinkled )
So, the correct option is 'YyRr × yyrr'.

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