To draw: The pedigree in the given case. Introduction: Cystic fibrosis is a hereditary disease generated due to the mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

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Answer 1

Question

Chapter 2, Problem 69P

A.

Summary Introduction

To draw: The pedigree in the given case.

Introduction: Cystic fibrosis is a hereditary disease generated due to the mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

B.

Summary Introduction

To determine: The probability of the couple's first child to have cystic fibrosis

Introduction: Cystic fibrosis is the consequence of changes in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. About1,800 distinct mutations have been known that can induce cystic fibrosis. People acquiring two recessive CFTR alleles possess the disease.

C.

Summary Introduction

To determine: The probability of the second child being normal if the first child does have cystic fibrosis.

Introduction: Cystic fibrosis is an autosomal recessive disease, and this is the kind of condition one can acquire if both of the parents share a particular copy of a recessive gene. A recessive gene is one that can be concealed by a dominant gene.

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Answer 2

Question

Chapter 2, Problem 69P

A.

Summary Introduction

To draw: The pedigree in the given case.

Introduction: Cystic fibrosis is a hereditary disease generated due to the mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

B.

Summary Introduction

To determine: The probability of the couple's first child to have cystic fibrosis

Introduction: Cystic fibrosis is the consequence of changes in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. About1,800 distinct mutations have been known that can induce cystic fibrosis. People acquiring two recessive CFTR alleles possess the disease.

C.

Summary Introduction

To determine: The probability of the second child being normal if the first child does have cystic fibrosis.

Introduction: Cystic fibrosis is an autosomal recessive disease, and this is the kind of condition one can acquire if both of the parents share a particular copy of a recessive gene. A recessive gene is one that can be concealed by a dominant gene.

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Answer 3

Question

Chapter 2, Problem 69P

A.

Summary Introduction

To draw: The pedigree in the given case.

Introduction: Cystic fibrosis is a hereditary disease generated due to the mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

B.

Summary Introduction

To determine: The probability of the couple's first child to have cystic fibrosis

Introduction: Cystic fibrosis is the consequence of changes in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. About1,800 distinct mutations have been known that can induce cystic fibrosis. People acquiring two recessive CFTR alleles possess the disease.

C.

Summary Introduction

To determine: The probability of the second child being normal if the first child does have cystic fibrosis.

Introduction: Cystic fibrosis is an autosomal recessive disease, and this is the kind of condition one can acquire if both of the parents share a particular copy of a recessive gene. A recessive gene is one that can be concealed by a dominant gene.

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Answer 4

Question

Chapter 2, Problem 69P

A.

Summary Introduction

To draw: The pedigree in the given case.

Introduction: Cystic fibrosis is a hereditary disease generated due to the mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

B.

Summary Introduction

To determine: The probability of the couple's first child to have cystic fibrosis

Introduction: Cystic fibrosis is the consequence of changes in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. About1,800 distinct mutations have been known that can induce cystic fibrosis. People acquiring two recessive CFTR alleles possess the disease.

C.

Summary Introduction

To determine: The probability of the second child being normal if the first child does have cystic fibrosis.

Introduction: Cystic fibrosis is an autosomal recessive disease, and this is the kind of condition one can acquire if both of the parents share a particular copy of a recessive gene. A recessive gene is one that can be concealed by a dominant gene.

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Answer 5

Chapter 2, Problem 69P

A.

Summary Introduction

To draw: The pedigree in the given case.

Introduction: Cystic fibrosis is a hereditary disease generated due to the mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

B.

Summary Introduction

To determine: The probability of the couple's first child to have cystic fibrosis

Introduction: Cystic fibrosis is the consequence of changes in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. About1,800 distinct mutations have been known that can induce cystic fibrosis. People acquiring two recessive CFTR alleles possess the disease.

C.

Summary Introduction

To determine: The probability of the second child being normal if the first child does have cystic fibrosis.

Introduction: Cystic fibrosis is an autosomal recessive disease, and this is the kind of condition one can acquire if both of the parents share a particular copy of a recessive gene. A recessive gene is one that can be concealed by a dominant gene.

Answer 6

Chapter 2, Problem 69P

A.

Summary Introduction

To draw: The pedigree in the given case.

Introduction: Cystic fibrosis is a hereditary disease generated due to the mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

Answer 7

Chapter 2, Problem 69P

A.

Summary Introduction

To draw: The pedigree in the given case.

Introduction: Cystic fibrosis is a hereditary disease generated due to the mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

Answer 8

B.

Summary Introduction

To determine: The probability of the couple's first child to have cystic fibrosis

Introduction: Cystic fibrosis is the consequence of changes in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. About1,800 distinct mutations have been known that can induce cystic fibrosis. People acquiring two recessive CFTR alleles possess the disease.

Answer 9

B.

Summary Introduction

To determine: The probability of the couple's first child to have cystic fibrosis

Introduction: Cystic fibrosis is the consequence of changes in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. About1,800 distinct mutations have been known that can induce cystic fibrosis. People acquiring two recessive CFTR alleles possess the disease.

Answer 10

C.

Summary Introduction

To determine: The probability of the second child being normal if the first child does have cystic fibrosis.

Introduction: Cystic fibrosis is an autosomal recessive disease, and this is the kind of condition one can acquire if both of the parents share a particular copy of a recessive gene. A recessive gene is one that can be concealed by a dominant gene.

Answer 11

C.

Summary Introduction

To determine: The probability of the second child being normal if the first child does have cystic fibrosis.

Introduction: Cystic fibrosis is an autosomal recessive disease, and this is the kind of condition one can acquire if both of the parents share a particular copy of a recessive gene. A recessive gene is one that can be concealed by a dominant gene.

Answer 12

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Answer 14

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Answer 15

Ch. 2 - Prob. 1P Ch. 2 - Prob. 2P Ch. 2 - Prob. 3P Ch. 2 - Prob. 4P Ch. 2 - Prob. 5P Ch. 2 - Prob. 6P Ch. 2 - Prob. 7P Ch. 2 - Prob. 8P Ch. 2 - Prob. 9P Ch. 2 - Prob. 10P

To draw: The pedigree in the given case. Introduction: Cystic fibrosis is a hereditary disease generated due to the mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

Solution Summary: The author explains that cystic fibrosis is an autosomal recessive disease caused by mutations in the CFTR gene.

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To draw: The pedigree in the given case.

Introduction: Cystic fibrosis is a hereditary disease generated due to the mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.

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Chapter 2 Solutions