The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.

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Chapter 14, Problem 5SA

Summary Introduction

Introduction:

The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.

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A man and woman are both of normal pigmentation, but both have one parent who is albino (without melanin pigmentation). Albinism is an autosomal (not sex-linked) recessive trait. What is the probability that their first child will be an albino? A. 0% B. 1/8 C. ¼ D. ½ E. 100%.

What is the probability of a child having a recessive disorder if both parents are heterozygous carriers? A. 1/2 B. 1/4 C. 3/4 D. 2/3 E. Zero

Two parents without cystic fibrosis have a child with cystic fibrosis. The allele for cystic fibrosis is therefore _________ to the non-disease allele Group of answer choices A. codominant B. recessive C. dominant D. epistatic E. incompletely dominant

Answer 2

Question

Chapter 14, Problem 5SA

Summary Introduction

Introduction:

The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.

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Answer 3

Question

Chapter 14, Problem 5SA

Summary Introduction

Introduction:

The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.

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Answer 4

Question

Chapter 14, Problem 5SA

Summary Introduction

Introduction:

The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.

Expert Solution & Answer

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Answer 5

Chapter 14, Problem 5SA

Summary Introduction

Introduction:

The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.

Answer 6

Chapter 14, Problem 5SA

Summary Introduction

Introduction:

The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.

Answer 7

Chapter 14, Problem 5SA

Summary Introduction

Introduction:

The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 14 - Constructing a family pedigree is particularly...Ch. 14 - Prob. 2SA Ch. 14 - Prob. 3SA Ch. 14 - Prob. 4SA Ch. 14 - Prob. 5SA Ch. 14 - A trait that is present in a male child but not in...Ch. 14 - Color blindness is a case of ________ inheritance....Ch. 14 - Prob. 8SA Ch. 14 - Alleles for Tay-Sachs disease are inherited in an...Ch. 14 - Prob. 10SA

The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.

Solution Summary: The author explains that the dominant allele masks the expression of the recessive phenotype. The correct answer is b.

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Introduction:

The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.

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Chapter 14 Solutions

The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.

Solution Summary: The author explains that the dominant allele masks the expression of the recessive phenotype. The correct answer is b.

Concept explainers

Videos

Introduction: The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.

Want to see the full answer?

Chapter 14 Solutions

Introduction:

The dominant allele masks the expression of the recessive allele. Therefore the dominant allele is expressed in homozygous and heterozygous genotype while the recessive phenotype is only expressed under homozygous condition.