The genotypes of the two parental mice in the cross. Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."

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Answer 1

Question

Chapter 4, Problem 49P

a.

Summary Introduction

To determine: The genotypes of the two parental mice in the cross.

Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."

b.

Summary Introduction

To draw: The chromosomes of the parents.

Introduction: The genotype is the carrier of genetic information, transmitted from generation to generation. It is the system that controls the development, structure, and vital activity of the organism, that is, the total of all the characteristics of the body its phenotype.

c.

Summary Introduction

To determine: The map unit value or values and show how they were obtained.

Introduction: In genetics, a centimorgan or map unit is a unit for measuring genetic linkage. It is defined as the distance between chromosome positions for which the expected average number of intervening chromosomal crossovers in a single generation is 0.01.

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In goats, a beard is produced by an autosomal allele that is dominant in males and recessive in females. We’ll use the symbol Bb for the beard allele and B+ for the beardless allele. Another independently assorting autosomal allele that produces a black coat (W) is dominant over the allele for white coat (w). Give the phenotypes and their expected proportions for the following crosses. a. B+ Bb Ww male × B+ Bb Ww female b. B+ Bb Ww male × B+ Bb ww female c. B+ B+ Ww male × Bb Bb Ww female d. B+ Bb Ww male × Bb Bb ww female

. In mice, the following alleles were used in a cross: W = waltzing gait w = nonwaltzing gait G = normal gray color g = albino B = bent tail b = straight tail A waltzing gray bent-tailed mouse is crossed with a nonwaltzing albino straight-tailed mouse and, over several years, the following progeny totals are obtained: waltzing gray bent 18 waltzing albino bent 21 nonwaltzing gray straight 19 nonwaltzing albino straight 22 waltzing gray straight 4 waltzing albino straight 5 nonwaltzing gray bent 5 nonwaltzing albino bent 6 Total 100 a. What were the genotypes of the two parental mice in the cross? b. Draw the chromosomes of the parents.c. If you deduced linkage, state the map unit value or values and show how they were obtained.

In mice, the allele C for colored fur is dominant over the allele c for white fur, and the allele V for normal behavior is dominant over the allele v for waltzing behavior, a form of discoordination. Give the genotypes of the parents in each of the following crosses: (a) Colored, normal mice mated with white, normal mice produced 29 colored, normal and 10 colored, waltzing progeny. (b) Colored, normal mice mated with colored, normal mice produced 38 colored, normal, 15 colored, waltzing, 11 white, normal, and 4 white, waltzing progeny. (c) Colored, normal mice mated with white, waltzing mice produced 8 colored, normal, 7 colored, waltzing, 9 white, normal, and 6 white, waltzing progeny.

Answer 2

Question

Chapter 4, Problem 49P

a.

Summary Introduction

To determine: The genotypes of the two parental mice in the cross.

Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."

b.

Summary Introduction

To draw: The chromosomes of the parents.

Introduction: The genotype is the carrier of genetic information, transmitted from generation to generation. It is the system that controls the development, structure, and vital activity of the organism, that is, the total of all the characteristics of the body its phenotype.

c.

Summary Introduction

To determine: The map unit value or values and show how they were obtained.

Introduction: In genetics, a centimorgan or map unit is a unit for measuring genetic linkage. It is defined as the distance between chromosome positions for which the expected average number of intervening chromosomal crossovers in a single generation is 0.01.

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Answer 3

Question

Chapter 4, Problem 49P

a.

Summary Introduction

To determine: The genotypes of the two parental mice in the cross.

Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."

b.

Summary Introduction

To draw: The chromosomes of the parents.

Introduction: The genotype is the carrier of genetic information, transmitted from generation to generation. It is the system that controls the development, structure, and vital activity of the organism, that is, the total of all the characteristics of the body its phenotype.

c.

Summary Introduction

To determine: The map unit value or values and show how they were obtained.

Introduction: In genetics, a centimorgan or map unit is a unit for measuring genetic linkage. It is defined as the distance between chromosome positions for which the expected average number of intervening chromosomal crossovers in a single generation is 0.01.

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Answer 4

Question

Chapter 4, Problem 49P

a.

Summary Introduction

To determine: The genotypes of the two parental mice in the cross.

Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."

b.

Summary Introduction

To draw: The chromosomes of the parents.

Introduction: The genotype is the carrier of genetic information, transmitted from generation to generation. It is the system that controls the development, structure, and vital activity of the organism, that is, the total of all the characteristics of the body its phenotype.

c.

Summary Introduction

To determine: The map unit value or values and show how they were obtained.

Introduction: In genetics, a centimorgan or map unit is a unit for measuring genetic linkage. It is defined as the distance between chromosome positions for which the expected average number of intervening chromosomal crossovers in a single generation is 0.01.

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Answer 5

Chapter 4, Problem 49P

a.

Summary Introduction

To determine: The genotypes of the two parental mice in the cross.

Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."

b.

Summary Introduction

To draw: The chromosomes of the parents.

Introduction: The genotype is the carrier of genetic information, transmitted from generation to generation. It is the system that controls the development, structure, and vital activity of the organism, that is, the total of all the characteristics of the body its phenotype.

c.

Summary Introduction

To determine: The map unit value or values and show how they were obtained.

Introduction: In genetics, a centimorgan or map unit is a unit for measuring genetic linkage. It is defined as the distance between chromosome positions for which the expected average number of intervening chromosomal crossovers in a single generation is 0.01.

Answer 6

Chapter 4, Problem 49P

a.

Summary Introduction

To determine: The genotypes of the two parental mice in the cross.

Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."

Answer 7

Chapter 4, Problem 49P

a.

Summary Introduction

To determine: The genotypes of the two parental mice in the cross.

Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."

Answer 8

b.

Summary Introduction

To draw: The chromosomes of the parents.

Introduction: The genotype is the carrier of genetic information, transmitted from generation to generation. It is the system that controls the development, structure, and vital activity of the organism, that is, the total of all the characteristics of the body its phenotype.

Answer 9

b.

Summary Introduction

To draw: The chromosomes of the parents.

Introduction: The genotype is the carrier of genetic information, transmitted from generation to generation. It is the system that controls the development, structure, and vital activity of the organism, that is, the total of all the characteristics of the body its phenotype.

Answer 10

c.

Summary Introduction

To determine: The map unit value or values and show how they were obtained.

Introduction: In genetics, a centimorgan or map unit is a unit for measuring genetic linkage. It is defined as the distance between chromosome positions for which the expected average number of intervening chromosomal crossovers in a single generation is 0.01.

Answer 11

c.

Summary Introduction

To determine: The map unit value or values and show how they were obtained.

Introduction: In genetics, a centimorgan or map unit is a unit for measuring genetic linkage. It is defined as the distance between chromosome positions for which the expected average number of intervening chromosomal crossovers in a single generation is 0.01.

Answer 12

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Answer 15

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 genotypes of the two parental mice in the cross. Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."

Solution Summary: The author explains that the genotype is the carrier of genetic information, transmitted from generation to generation.

Concept explainers

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To determine: The genotypes of the two parental mice in the cross.

Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."

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Chapter 4 Solutions

The genotypes of the two parental mice in the cross. Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."

Solution Summary: The author explains that the genotype is the carrier of genetic information, transmitted from generation to generation.

Concept explainers

Videos

To determine: The genotypes of the two parental mice in the cross. Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."

Want to see the full answer?

Chapter 4 Solutions

To determine: The genotypes of the two parental mice in the cross.

Introduction: The combination of alleles, situated on corresponding chromosomes that determines a specific trait of an individual, such as "Aa" or "aa."