The expected phenotypic class distribution if only two genes are linked. Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

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Chapter 4, Problem 21.14P

Summary Introduction

To determine: The expected phenotypic class distribution if only two genes are linked.

Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

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Assume that the trihybrid cross AABBrr x aabbRR is made in a plant species. Assume that A and B are dominant alleles, but there is no dominance effect of alleles at the R locus. a) How many different gametes are possible in the F1generation? What are the genotypes of these gametes? b) What is the probability of the parental aabbRR genotype in the F2 progeny? c) What proportion of the F2 progeny would be expected to be homozygous for all three genes?

In the following cross, imagine that you have a female fly that has two Xs and one Y due to a nondisjunction event in her mother's germ cells. Draw out what the possible gametes are for both the female and the male and also a Punnett square showing the genotypes, phenotypes, and sex of the possible flies as a result of this cross. You do not need to provide the probabilities of each of these. Red-eyed wi C Ở Red-eyed wt XX Y X Y Meiosis

Consider this cross in pea plants: Tt Rr yy Aa × Tt rr Yy Aa, whereT = tall, t = dwarf, R = round, r = wrinkled, Y = yellow, y = green,A = axial, a = terminal. What is the expected phenotypic outcomeof this cross? Have one group of students solve this problem bymaking one big Punnett square, and have another group solve it bymaking four single-gene Punnett squares and using the multiplication method. Time each other to see who gets done first.

Answer 2

Question

Chapter 4, Problem 21.14P

Summary Introduction

To determine: The expected phenotypic class distribution if only two genes are linked.

Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

Expert Solution & Answer

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Answer 3

Question

Chapter 4, Problem 21.14P

Summary Introduction

To determine: The expected phenotypic class distribution if only two genes are linked.

Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

Expert Solution & Answer

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Answer 4

Question

Chapter 4, Problem 21.14P

Summary Introduction

To determine: The expected phenotypic class distribution if only two genes are linked.

Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 5

Chapter 4, Problem 21.14P

Summary Introduction

To determine: The expected phenotypic class distribution if only two genes are linked.

Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

Answer 6

Chapter 4, Problem 21.14P

Summary Introduction

To determine: The expected phenotypic class distribution if only two genes are linked.

Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

Answer 7

Chapter 4, Problem 21.14P

Summary Introduction

To determine: The expected phenotypic class distribution if only two genes are linked.

Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

Answer 8

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Answer 11

Ch. 4 - Prob. 1P Ch. 4 - Prob. 5P Ch. 4 - Prob. 12P Ch. 4 - Prob. 13P Ch. 4 - Prob. 14P Ch. 4 - Prob. 15P Ch. 4 - Prob. 16P Ch. 4 - Prob. 17P Ch. 4 - Prob. 18P Ch. 4 - Prob. 19P

The expected phenotypic class distribution if only two genes are linked. Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

Solution Summary: The author explains that genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

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To determine: The expected phenotypic class distribution if only two genes are linked.

Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

Want to see the full answer?

Chapter 4 Solutions

The expected phenotypic class distribution if only two genes are linked. Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

Solution Summary: The author explains that genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

Concept explainers

Videos

To determine: The expected phenotypic class distribution if only two genes are linked. Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.

Want to see the full answer?

Chapter 4 Solutions

To determine: The expected phenotypic class distribution if only two genes are linked.

Introduction: Genetic linkage is the drift of DNA sequences that are confined concurrently on a chromosome to be acquired coincidentally throughout the meiosis phase of sexual reproduction.