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6. A true-breeding, purple-flowered, yellow pea plant (PPYY) is crossed to a white-flowered, green pea plant (ppyy). A. Write out the parental cross.

B. What gametes can be produced by each parent?

C. What is the genotype of the F1 generation? What is the Phenotype?

D. What are the possible gametes that can be produced from each plant F1 plant?

E. An F1 plant is allowed to self fertilize (F1 X F1). Draw a Punnet square to show the possible genotypes of the offspring in the F2 generation.

F. What phenotypes are possible in the F2 generation? What is the probability of getting each of the phenotypes in the F2 generation?

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Casey Durgan
Casey DurganLv2
28 Sep 2019
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Related questions

1.A homozygous pea plant with yellow and round phenotypes is crossed to a homozygous green and wrinkled pea plant (yellow and round is dominant over green and wrinkled).

A) Parental Genotype

B) Potential Parental gametes

C) F1 Genotypes

D) F1 Phenotypes

2. Then the F1 generation is then self crossed to obtain an F2 generation

A) Write out all the potential F1 parental gametes

B) What fraction of the offspring will be green and wrinkled

C) What fraction of the offspring will be heterozygotes for both traits

Diagram a cross between a true breeding pea plant that produces yellow seeds (G/G) with one that produces green seeds (g/g). Carry the cross out to the F2 generation. Answer the following questions:

What was the F1 genotype and phenotype?

What kinds of gametes could the F1 individuals produce?

What were the F2 genotypes and phenotypes, and in what ratios would you expect each to occur?

Diagram a cross between a true breeding pea plant that produces round seeds and purple flowers, with one that produces wrinkled seeds and white flowers. (Round and purple are the dominant traits.) Carry the cross out to the F2 generation. Answer the following questions:

What are the P1 genotypes?

What is the F1 genotype and phenotype?

What kinds of gametes will the F1 individuals produce?

What are the F2 genotypes and phenotypes?

What genotypic and phenotypic ratios are expected in the F2 progeny?

Diagram a cross between a true breeding pea plant that produces yellow seeds (G/G) and purple flowers (W/W) with one that produces green seeds (g/g) and white flowers (w/w). Carry the cross out to the F2 generation. Answer the following questions:

What was the F1 genotype and phenotype?

What kinds of gametes could the F1 individuals produce?

What were the F2 genotypes and phenotypes, and in what ratios would you expect each to occur?

Diagram a test cross of the F1 individuals from the question above, with the homozygous recessive parent strain. What genotypes and phenotypes would you expect in the testcross progeny, and in what ratios?

If you had a fruitfly with phenotype A, what test would you make to determine if it was Aa or AA? Explain the different outcomes expected if the fly in question is AA or Aa.

If individuals of genotype AaBbCc are intercrossed:

How many different genotypes can occur in their progeny? How many different phenotypes can occur in the progeny?

A short stem, yellow pod pea plant is crossed with a true breeding long stem, green pod pea plant. Assuming that long stems are dominant to short stems, and green pods are dominant to yellow pods 1) what are the genotypes and phenotypes of the F1 generation? 2) what are the genotypes and phenotypes resulting from a F1 x F1 cross?

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