Question

What would be the result of a cross between a full/green (CcYy) plant and a constricted/yellow...

What would be the result of a cross between a full/green (CcYy) plant and a constricted/yellow plant (ccyy)? Provide the resulting genotypes and phenotypic ratios of the F2 generation.

Homework Answers

Answer #1

Full/green plant - CcYy.

Constricted/yellow plant - ccyy.

Cross between them CcYy X ccyy

Gametes formed CY, Cy, cY, and cy one type of gamete cy

Next generation

Male/ Female CY Cy cY cy
cy CcYy(Full/green plant) Ccyy(Full/yellow plant) ccYy(constricted/green plant) ccyy(constricted/yellow plant)
cy CcYy(Full/green plant) Ccyy(Full/yellow plant) ccYy(constricted/green plant) ccyy(constricted/yellow plant)
cy CcYy(Full/green plant) Ccyy(Full/yellow plant) ccYy(constricted/green plant) ccyy(constricted/yellow plant)
cy CcYy(Full/green plant) Ccyy(Full/yellow plant) ccYy(constricted/green plant) ccyy(constricted/yellow plant)

The phenotypic ratio in F2 generation -

1(Full/green plant) :1(Full/yellow plant) :1(Constricted/green plant):1(constricted/yellow plant).

The genotypes are :

CcYy, Ccyy, ccYy and ccyy.

The genotypic ratio in F2 generation - 1:1:1:1.

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