The number of genes involved in the inheritance of color pattern. Introduction: According to Mendelian inheritance , a single character is controlled by one or more pairs of alleles. These alleles can be either dominant or recessive. Usually, a dominant allele masks the expression of a recessive allele. If the alleles are identical, they are called homozygous and if they are non-identical, the alleles are said to be heterozygotes.

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Answer 1

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Features of a Concept Features of a Concept Characteristics are discrete; that is, they are unitary. Genetic features have alternative forms, and each feature is inherited from one of the two parents. These are called alleles. One allele is dominant over the other allele. The dominant allele is reflected in the phenotype. Random segregation creates the gametes. The heterozygotic individuals produce gametes with an equal frequency of both alleles. Genes are unlinked; that is, different traits arise from the independent assortment.

Chapter 14, Problem 14GP

Summary Introduction

To determine: The number of genes involved in the inheritance of color pattern.

Introduction: According to Mendelian inheritance, a single character is controlled by one or more pairs of alleles. These alleles can be either dominant or recessive. Usually, a dominant allele masks the expression of a recessive allele. If the alleles are identical, they are called homozygous and if they are non-identical, the alleles are said to be heterozygotes.

Summary Introduction

To explain: The reason for the occurrence of 9:6:1 ratio in the F2 generation.

Introduction: The dominant trait is expressed both in homozygous and heterozygous conditions, but a recessive allele is expressed only in homozygous condition, as the dominant allele can mask the trait produced by a recessive allele.

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A plant with red flowers is crossed with a plant with white flowers and the resulting offspring have pink flowers. What type of inheritance pattern does this describe? If two plants with pink flowers are crossed, what will be the resulting phenotypes and in what ratio?

A cross between two plants that both have yellowflowers produces 80 offspring plants, of which 38have yellow flowers, 22 have red flowers, and 20have white flowers. If one assumes that this variation in color is due to inheritance at a single locus,what is the genotype associated with each flowercolor, and how can you describe the inheritance offlower color?

In certain cactus, prickly spines can be two-pronged or one-pronged. If a homozygous one-pronged cactus is crossed with a homozygous two-pronged cactus, the F1 generation has a mixture of spines (some are two-pronged, some are one-pronged). a. What are the genotypes of the parents and F1s?b. What mode of inheritance is exhibited? c. If the F1s were crossed, what proportion of the F2s will have genotypes like their parents?

Answer 2

Question

Features of a Concept Features of a Concept Characteristics are discrete; that is, they are unitary. Genetic features have alternative forms, and each feature is inherited from one of the two parents. These are called alleles. One allele is dominant over the other allele. The dominant allele is reflected in the phenotype. Random segregation creates the gametes. The heterozygotic individuals produce gametes with an equal frequency of both alleles. Genes are unlinked; that is, different traits arise from the independent assortment.

Chapter 14, Problem 14GP

Summary Introduction

To determine: The number of genes involved in the inheritance of color pattern.

Introduction: According to Mendelian inheritance, a single character is controlled by one or more pairs of alleles. These alleles can be either dominant or recessive. Usually, a dominant allele masks the expression of a recessive allele. If the alleles are identical, they are called homozygous and if they are non-identical, the alleles are said to be heterozygotes.

Summary Introduction

To explain: The reason for the occurrence of 9:6:1 ratio in the F2 generation.

Introduction: The dominant trait is expressed both in homozygous and heterozygous conditions, but a recessive allele is expressed only in homozygous condition, as the dominant allele can mask the trait produced by a recessive allele.

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Answer 3

Question

Features of a Concept Features of a Concept Characteristics are discrete; that is, they are unitary. Genetic features have alternative forms, and each feature is inherited from one of the two parents. These are called alleles. One allele is dominant over the other allele. The dominant allele is reflected in the phenotype. Random segregation creates the gametes. The heterozygotic individuals produce gametes with an equal frequency of both alleles. Genes are unlinked; that is, different traits arise from the independent assortment.

Chapter 14, Problem 14GP

Summary Introduction

To determine: The number of genes involved in the inheritance of color pattern.

Introduction: According to Mendelian inheritance, a single character is controlled by one or more pairs of alleles. These alleles can be either dominant or recessive. Usually, a dominant allele masks the expression of a recessive allele. If the alleles are identical, they are called homozygous and if they are non-identical, the alleles are said to be heterozygotes.

Summary Introduction

To explain: The reason for the occurrence of 9:6:1 ratio in the F2 generation.

Introduction: The dominant trait is expressed both in homozygous and heterozygous conditions, but a recessive allele is expressed only in homozygous condition, as the dominant allele can mask the trait produced by a recessive allele.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 4

Question

Features of a Concept Features of a Concept Characteristics are discrete; that is, they are unitary. Genetic features have alternative forms, and each feature is inherited from one of the two parents. These are called alleles. One allele is dominant over the other allele. The dominant allele is reflected in the phenotype. Random segregation creates the gametes. The heterozygotic individuals produce gametes with an equal frequency of both alleles. Genes are unlinked; that is, different traits arise from the independent assortment.

Chapter 14, Problem 14GP

Summary Introduction

To determine: The number of genes involved in the inheritance of color pattern.

Introduction: According to Mendelian inheritance, a single character is controlled by one or more pairs of alleles. These alleles can be either dominant or recessive. Usually, a dominant allele masks the expression of a recessive allele. If the alleles are identical, they are called homozygous and if they are non-identical, the alleles are said to be heterozygotes.

Summary Introduction

To explain: The reason for the occurrence of 9:6:1 ratio in the F2 generation.

Introduction: The dominant trait is expressed both in homozygous and heterozygous conditions, but a recessive allele is expressed only in homozygous condition, as the dominant allele can mask the trait produced by a recessive allele.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 14, Problem 14GP

Summary Introduction

To determine: The number of genes involved in the inheritance of color pattern.

Introduction: According to Mendelian inheritance, a single character is controlled by one or more pairs of alleles. These alleles can be either dominant or recessive. Usually, a dominant allele masks the expression of a recessive allele. If the alleles are identical, they are called homozygous and if they are non-identical, the alleles are said to be heterozygotes.

Summary Introduction

To explain: The reason for the occurrence of 9:6:1 ratio in the F2 generation.

Introduction: The dominant trait is expressed both in homozygous and heterozygous conditions, but a recessive allele is expressed only in homozygous condition, as the dominant allele can mask the trait produced by a recessive allele.

Answer 6

Chapter 14, Problem 14GP

Summary Introduction

To determine: The number of genes involved in the inheritance of color pattern.

Introduction: According to Mendelian inheritance, a single character is controlled by one or more pairs of alleles. These alleles can be either dominant or recessive. Usually, a dominant allele masks the expression of a recessive allele. If the alleles are identical, they are called homozygous and if they are non-identical, the alleles are said to be heterozygotes.

Answer 7

Chapter 14, Problem 14GP

Summary Introduction

To determine: The number of genes involved in the inheritance of color pattern.

Introduction: According to Mendelian inheritance, a single character is controlled by one or more pairs of alleles. These alleles can be either dominant or recessive. Usually, a dominant allele masks the expression of a recessive allele. If the alleles are identical, they are called homozygous and if they are non-identical, the alleles are said to be heterozygotes.

Answer 8

Summary Introduction

To explain: The reason for the occurrence of 9:6:1 ratio in the F2 generation.

Introduction: The dominant trait is expressed both in homozygous and heterozygous conditions, but a recessive allele is expressed only in homozygous condition, as the dominant allele can mask the trait produced by a recessive allele.

Answer 9

Summary Introduction

To explain: The reason for the occurrence of 9:6:1 ratio in the F2 generation.

Introduction: The dominant trait is expressed both in homozygous and heterozygous conditions, but a recessive allele is expressed only in homozygous condition, as the dominant allele can mask the trait produced by a recessive allele.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 14 - Fill in the following diagram of a cross of...Ch. 14 - A tall pea plant is crossed with a recessive dwarf...Ch. 14 - A true-breeding tall, purple-flowered pea plant...Ch. 14 - a. In the following cross, what is the probability...Ch. 14 - Prob. 5IQ Ch. 14 - Consider an example in which the M/m gene (for...Ch. 14 - The height of spike weed is a result of polygenic...Ch. 14 - Consider the following pedigree for the trait...Ch. 14 - a. What is the probability that a mating between...Ch. 14 - If two prospective parents both have siblings who...

Solution Summary: The author explains that two genes are responsible for the inheritance of color.

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