Chapter 3.3, Problem 32AQP

a.

Summary Introduction

To determine:

The proportion of the round and yellow ${\text{F}}_{\text{2}}$ progeny being homozygous at both loci obtained from dihybrid cross between pea plants with round, yellow seeds and wrinkled and green seeds.

Introduction:

The dihybrid cross is the cross between the two organisms that carry the same allele for two different traits. The dihybrid cross between pea plants with round (R), yellow (Y) seeds and wrinkled (r), green (y) seeds produces progeny with round, yellow seeds with genotype $\text{RrYy}$ in ${\text{F}}_{\text{1}}$ generation. When  ${\text{F}}_{\text{1}}$ progenies are self fertilized, the phenotypic ratio of progenies obtained in ${\text{F}}_{\text{2}}$ generation is $\text{9:3:3:1}$.

b.

Summary Introduction

To determine:

The proportion of the round and yellow ${\text{F}}_{\text{2}}$ progeny being homozygous at least at one loci obtained from dihybrid cross between pea plants with round, yellow seeds and wrinkled and green seeds.

Introduction:

The dihybrid cross is the cross between the two organisms that carry the same allele for two different traits. The dihybrid cross between pea plants with round (R), yellow (Y) seeds and wrinkled (r), green (y) seeds produces progeny with round, yellow seeds with genotype $\text{RrYy}$ in ${\text{F}}_{\text{1}}$ generation. When  ${\text{F}}_{\text{1}}$ progenies are self fertilized, the phenotypic ratio of progenies obtained in ${\text{F}}_{\text{2}}$ generation is $\text{9:3:3:1}$.