What is the expected F1 phenotypic ratio resulting from a dihybrid cross between two parental pea plants that are both heterozygous for peas that are yellow and round (YyRr)? 1:1:1:1 1:1 3:1:3:1 3:1 9:3:3:1

What is the expected F1 phenotypic ratio resulting from a dihybrid cross between two parental pea plants that are both heterozygous for peas that are yellow and round (YyRr)? 1:1:1:1 1:1 3:1:3:1 3:1 9:3:3:1

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter8: Patterns Of Inheritance

Section: Chapter Questions

Problem 2ACQ: Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are...

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Concept explainers

Angiosperm Reproduction

The process of sexual reproduction in flowering plants is known as angiosperm reproduction. In flowering plants, reproduction begins with pollination, or the transfer of male gametes (pollen) from the male reproductive organ (anther) to the female reproductive organ (pistil), and ends with fertilization of the female gametes (egg), which produces a zygote, which then grows to become a mature plant.

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What is the expected F₁ phenotypic ratio resulting from a dihybrid cross between two parental pea plants that are both heterozygous for peas that are yellow and round (YyRr)?

1:1:1:1
1:1
3:1:3:1
3:1
9:3:3:1

Definition Definition Observable physical traits or characteristics of an organism, which are determined by its genetic makeup (genotype) as well as environmental factors. These traits can include anything from eye color or height to behavior or disease susceptibility. Understanding an organism's phenotype is important in fields such as genetics, medicine, and ecology.

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