The pedigree for the given condition. Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.

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Answer 1

Question

Chapter 2, Problem 82P

A.

Summary Introduction

To determine: The pedigree for the given condition.

Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.

B.

Summary Introduction

To determine: The probability that this child will have galactosemia.

Introduction: Galactosemia is an autosomal recessive disease. An autosomal illness is a condition that does not depends on the sex chromosomes. If two people who possess galactosemia have children, all of them will have galactosemia.

C.

Summary Introduction

To determine: If the first child has galactosemia, the probability that a second child will also be having the same condition.

Introduction: An autosomal recessive disorder indicates both copies of the gene in every cell need to hold the mutation for a person to exhibit indications. The parents of an affected person typically bear one copy of the abnormal gene, though they do not show symptoms of galactosemia.

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Salim and Sara are contemplating having children, but Salim’s brother has galactosemia and Sara’s great-grandmother also had galactosemia. Sara has a sister who has three children, none of whom is affected.a. Construct a genetic pedigree for this family showing the possible genotype of each member.b. What is the probability that Salim and Sara’s first child will have galactosemia? Explain your calculations.

a. The pedigree follows the inheritance of a relatively common trait. Is the trait most likely autosomal dominant, autosomal recessive, X-linked dominant, or X-linked recessive? Explain your reasoning. b. If the couple marked with a “*” had another child, what is the probability that it would be an affected daughter? (Note: this is a compound outcome.)

A couple who are about to get married learn from studying their family histories that, in both their families, theirunaffected grandparents had siblings with cystic fibrosis(a rare autosomal recessive disease).a. If the couple marries and has a child, what is theprobability that the child will have cystic fibrosis?b. If they have four children, what is the chance that thechildren will have the precise Mendelian ratio of 3:1 fornormal:cystic fibrosis?c. If their first child has cystic fibrosis, what is theprobability that their next three children will be normal?

Answer 2

Question

Chapter 2, Problem 82P

A.

Summary Introduction

To determine: The pedigree for the given condition.

Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.

B.

Summary Introduction

To determine: The probability that this child will have galactosemia.

Introduction: Galactosemia is an autosomal recessive disease. An autosomal illness is a condition that does not depends on the sex chromosomes. If two people who possess galactosemia have children, all of them will have galactosemia.

C.

Summary Introduction

To determine: If the first child has galactosemia, the probability that a second child will also be having the same condition.

Introduction: An autosomal recessive disorder indicates both copies of the gene in every cell need to hold the mutation for a person to exhibit indications. The parents of an affected person typically bear one copy of the abnormal gene, though they do not show symptoms of galactosemia.

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Answer 3

Question

Chapter 2, Problem 82P

A.

Summary Introduction

To determine: The pedigree for the given condition.

Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.

B.

Summary Introduction

To determine: The probability that this child will have galactosemia.

Introduction: Galactosemia is an autosomal recessive disease. An autosomal illness is a condition that does not depends on the sex chromosomes. If two people who possess galactosemia have children, all of them will have galactosemia.

C.

Summary Introduction

To determine: If the first child has galactosemia, the probability that a second child will also be having the same condition.

Introduction: An autosomal recessive disorder indicates both copies of the gene in every cell need to hold the mutation for a person to exhibit indications. The parents of an affected person typically bear one copy of the abnormal gene, though they do not show symptoms of galactosemia.

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Answer 4

Question

Chapter 2, Problem 82P

A.

Summary Introduction

To determine: The pedigree for the given condition.

Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.

B.

Summary Introduction

To determine: The probability that this child will have galactosemia.

Introduction: Galactosemia is an autosomal recessive disease. An autosomal illness is a condition that does not depends on the sex chromosomes. If two people who possess galactosemia have children, all of them will have galactosemia.

C.

Summary Introduction

To determine: If the first child has galactosemia, the probability that a second child will also be having the same condition.

Introduction: An autosomal recessive disorder indicates both copies of the gene in every cell need to hold the mutation for a person to exhibit indications. The parents of an affected person typically bear one copy of the abnormal gene, though they do not show symptoms of galactosemia.

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Answer 5

Chapter 2, Problem 82P

A.

Summary Introduction

To determine: The pedigree for the given condition.

Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.

B.

Summary Introduction

To determine: The probability that this child will have galactosemia.

Introduction: Galactosemia is an autosomal recessive disease. An autosomal illness is a condition that does not depends on the sex chromosomes. If two people who possess galactosemia have children, all of them will have galactosemia.

C.

Summary Introduction

To determine: If the first child has galactosemia, the probability that a second child will also be having the same condition.

Introduction: An autosomal recessive disorder indicates both copies of the gene in every cell need to hold the mutation for a person to exhibit indications. The parents of an affected person typically bear one copy of the abnormal gene, though they do not show symptoms of galactosemia.

Answer 6

Chapter 2, Problem 82P

A.

Summary Introduction

To determine: The pedigree for the given condition.

Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.

Answer 7

Chapter 2, Problem 82P

A.

Summary Introduction

To determine: The pedigree for the given condition.

Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.

Answer 8

B.

Summary Introduction

To determine: The probability that this child will have galactosemia.

Introduction: Galactosemia is an autosomal recessive disease. An autosomal illness is a condition that does not depends on the sex chromosomes. If two people who possess galactosemia have children, all of them will have galactosemia.

Answer 9

B.

Summary Introduction

To determine: The probability that this child will have galactosemia.

Introduction: Galactosemia is an autosomal recessive disease. An autosomal illness is a condition that does not depends on the sex chromosomes. If two people who possess galactosemia have children, all of them will have galactosemia.

Answer 10

C.

Summary Introduction

To determine: If the first child has galactosemia, the probability that a second child will also be having the same condition.

Introduction: An autosomal recessive disorder indicates both copies of the gene in every cell need to hold the mutation for a person to exhibit indications. The parents of an affected person typically bear one copy of the abnormal gene, though they do not show symptoms of galactosemia.

Answer 11

C.

Summary Introduction

To determine: If the first child has galactosemia, the probability that a second child will also be having the same condition.

Introduction: An autosomal recessive disorder indicates both copies of the gene in every cell need to hold the mutation for a person to exhibit indications. The parents of an affected person typically bear one copy of the abnormal gene, though they do not show symptoms of galactosemia.

Answer 12

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Answer 13

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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

The pedigree for the given condition. Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.

Solution Summary: The author explains that galactosemia is an autosomal recessive form of inheritance that affects the ability of an individual to metabolize the sugar.

Concept explainers

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To determine: The pedigree for the given condition.

Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.

Want to see the full answer?

Chapter 2 Solutions

The pedigree for the given condition. Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.

Solution Summary: The author explains that galactosemia is an autosomal recessive form of inheritance that affects the ability of an individual to metabolize the sugar.

Concept explainers

Videos

To determine: The pedigree for the given condition. Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.

Want to see the full answer?

Chapter 2 Solutions

To determine: The pedigree for the given condition.

Introduction: Galactosemia is a limited genetic metabolic disease that influences the capacity of an individual to metabolize the sugar galactose accurately.