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1 year ago

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Mendel performs a cross using a true-breeding pea plant with round, yellow seeds and a true-breeding pea plant with green, wrink

led seeds. What is the probability that offspring will have green, round seeds? Calculate the probability for the F1 and F2 generations.

1 answer:

timama [110]1 year ago

8 0

Answer:

F1 Generation -

Genotype - GgRr

Phenotype - Green and round

F2 generation -

Genotype Ratio –

GGRR: GGRr: GgRR: GgRr: GGrr: Ggrr: ggRR: ggRr: ggrr

1:2:2:4:1:2:1:2:1

Phenotypic ration

Green & round: Green & wrinkled: yellow & round:yellow : wrinkled

9: 3:3:1

Explanation:

G represents Green seed color

g represents yellow seed color

R represents round seed

r represents wrinkled seed

Here G is dominant over g and R is dominant over r

F1 generation -

Genotype of true breeding parents will be

GGRR and ggrr

The offspring produced will be -

GgRr

Genotype - GgRr

Phenotype - Green and round

F2 Generation -

Genotype Ratio –

GGRR: GGRr: GgRR: GgRr: GGrr: Ggrr: ggRR: ggRr: ggrr

1:2:2:4:1:2:1:2:1

Phenotypic ration

Green & round: Green & wrinkled: yellow & round:yellow : wrinkled

9: 3:3:1

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