Define the difference between ( a ) gene and allele, ( b ) dominant allele and recessive allele, ( c ) homozygote and heterozygote, and ( d ) genotype and phenotype .

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Answer 1

Textbook Question

Chapter 19, Problem 1RQ

Define the difference between (a) gene and allele, (b) dominant allele and recessive allele, (c) homozygote and heterozygote, and (d) genotype and phenotype.

(a)

Expert Solution

Summary Introduction

To differentiate: Gene and allele

Introduction: Genetics is the study of genes and their inheritance patterns. Allele and gene are two common terms used in genetics.

Explanation of Solution

A gene includes a set of nucleotides that code for a particular trait.

An allele is a variant of a gene for the same trait coded by the gene.

(b)

Expert Solution

Summary Introduction

To differentiate: Dominant and recessive allele.

Introduction: Genetics is the study of genes and their inheritance patterns. An allele is a variant of a gene for the same trait coded by the gene. Dominant and recessive alleles are two common terms used in genetics.

Explanation of Solution

The allele that is expressed in the heterozygous condition of two alleles is called as a dominant allele.

The recessive allele can be expressed only in homozygous condition. In heterozygous condition, the dominant allele masks its effects.

(c)

Expert Solution

Summary Introduction

To differentiate: Homozygote and heterozygote.

Introduction: Genetics is the study of genes and their inheritance patterns. Homozygote and heterozygote are two common terms used in genetics. An allele is a variant of a gene for the same trait coded by the gene. Homologous chromosomes are a pair of chromosomes where one chromosome was obtained from the male gamete and the other from the female gamete at the time of the union of the nucleus during formation of zygote.

Explanation of Solution

The homozygote or homozygous condition is where the same allele is present on both the homologous chromosomes. Both the alleles are either dominant or recessive.

The heterozygote or heterozygous condition is where different alleles are present on both the homologous chromosomes. One allele is dominant and the other is recessive.

(d)

Expert Solution

Summary Introduction

To differentiate: Genotype and phenotype

Introduction: Genetics is the study of genes and their inheritance patterns. Genotype and phenotype are two common terms used in genetics.

Explanation of Solution

The genetic makeup of an organism having genes that code for a particular trait of an individual trait is called as genotype.

The morphological or biochemical or physiological expression of the trait of the gene that encodes the trait is called the phenotype.

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There is a species of eagle, which lives in a tropical forest in Brazil. The alula pattern of its wings is determined by a single autosomal gene with four alleles that exhibit an unknown hierarchy of dominance. Genetic testing shows that individuals 1-1, 11-4, 11-7, III-1, and III-4 are each homozygous. How many possible genotypes among checkered eagles in the population?

Answer 2

Textbook Question

Chapter 19, Problem 1RQ

Define the difference between (a) gene and allele, (b) dominant allele and recessive allele, (c) homozygote and heterozygote, and (d) genotype and phenotype.

(a)

Expert Solution

Summary Introduction

To differentiate: Gene and allele

Introduction: Genetics is the study of genes and their inheritance patterns. Allele and gene are two common terms used in genetics.

Explanation of Solution

A gene includes a set of nucleotides that code for a particular trait.

An allele is a variant of a gene for the same trait coded by the gene.

(b)

Expert Solution

Summary Introduction

To differentiate: Dominant and recessive allele.

Introduction: Genetics is the study of genes and their inheritance patterns. An allele is a variant of a gene for the same trait coded by the gene. Dominant and recessive alleles are two common terms used in genetics.

Explanation of Solution

The allele that is expressed in the heterozygous condition of two alleles is called as a dominant allele.

The recessive allele can be expressed only in homozygous condition. In heterozygous condition, the dominant allele masks its effects.

(c)

Expert Solution

Summary Introduction

To differentiate: Homozygote and heterozygote.

Introduction: Genetics is the study of genes and their inheritance patterns. Homozygote and heterozygote are two common terms used in genetics. An allele is a variant of a gene for the same trait coded by the gene. Homologous chromosomes are a pair of chromosomes where one chromosome was obtained from the male gamete and the other from the female gamete at the time of the union of the nucleus during formation of zygote.

Explanation of Solution

The homozygote or homozygous condition is where the same allele is present on both the homologous chromosomes. Both the alleles are either dominant or recessive.

The heterozygote or heterozygous condition is where different alleles are present on both the homologous chromosomes. One allele is dominant and the other is recessive.

(d)

Expert Solution

Summary Introduction

To differentiate: Genotype and phenotype

Introduction: Genetics is the study of genes and their inheritance patterns. Genotype and phenotype are two common terms used in genetics.

Explanation of Solution

The genetic makeup of an organism having genes that code for a particular trait of an individual trait is called as genotype.

The morphological or biochemical or physiological expression of the trait of the gene that encodes the trait is called the phenotype.

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Answer 3

Textbook Question

Chapter 19, Problem 1RQ

Define the difference between (a) gene and allele, (b) dominant allele and recessive allele, (c) homozygote and heterozygote, and (d) genotype and phenotype.

(a)

Expert Solution

Summary Introduction

To differentiate: Gene and allele

Introduction: Genetics is the study of genes and their inheritance patterns. Allele and gene are two common terms used in genetics.

Explanation of Solution

A gene includes a set of nucleotides that code for a particular trait.

An allele is a variant of a gene for the same trait coded by the gene.

(b)

Expert Solution

Summary Introduction

To differentiate: Dominant and recessive allele.

Introduction: Genetics is the study of genes and their inheritance patterns. An allele is a variant of a gene for the same trait coded by the gene. Dominant and recessive alleles are two common terms used in genetics.

Explanation of Solution

The allele that is expressed in the heterozygous condition of two alleles is called as a dominant allele.

The recessive allele can be expressed only in homozygous condition. In heterozygous condition, the dominant allele masks its effects.

(c)

Expert Solution

Summary Introduction

To differentiate: Homozygote and heterozygote.

Introduction: Genetics is the study of genes and their inheritance patterns. Homozygote and heterozygote are two common terms used in genetics. An allele is a variant of a gene for the same trait coded by the gene. Homologous chromosomes are a pair of chromosomes where one chromosome was obtained from the male gamete and the other from the female gamete at the time of the union of the nucleus during formation of zygote.

Explanation of Solution

The homozygote or homozygous condition is where the same allele is present on both the homologous chromosomes. Both the alleles are either dominant or recessive.

The heterozygote or heterozygous condition is where different alleles are present on both the homologous chromosomes. One allele is dominant and the other is recessive.

(d)

Expert Solution

Summary Introduction

To differentiate: Genotype and phenotype

Introduction: Genetics is the study of genes and their inheritance patterns. Genotype and phenotype are two common terms used in genetics.

Explanation of Solution

The genetic makeup of an organism having genes that code for a particular trait of an individual trait is called as genotype.

The morphological or biochemical or physiological expression of the trait of the gene that encodes the trait is called the phenotype.

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Answer 4

Textbook Question

Chapter 19, Problem 1RQ

Define the difference between (a) gene and allele, (b) dominant allele and recessive allele, (c) homozygote and heterozygote, and (d) genotype and phenotype.

(a)

Expert Solution

Summary Introduction

To differentiate: Gene and allele

Introduction: Genetics is the study of genes and their inheritance patterns. Allele and gene are two common terms used in genetics.

Explanation of Solution

A gene includes a set of nucleotides that code for a particular trait.

An allele is a variant of a gene for the same trait coded by the gene.

(b)

Expert Solution

Summary Introduction

To differentiate: Dominant and recessive allele.

Introduction: Genetics is the study of genes and their inheritance patterns. An allele is a variant of a gene for the same trait coded by the gene. Dominant and recessive alleles are two common terms used in genetics.

Explanation of Solution

The allele that is expressed in the heterozygous condition of two alleles is called as a dominant allele.

The recessive allele can be expressed only in homozygous condition. In heterozygous condition, the dominant allele masks its effects.

(c)

Expert Solution

Summary Introduction

To differentiate: Homozygote and heterozygote.

Introduction: Genetics is the study of genes and their inheritance patterns. Homozygote and heterozygote are two common terms used in genetics. An allele is a variant of a gene for the same trait coded by the gene. Homologous chromosomes are a pair of chromosomes where one chromosome was obtained from the male gamete and the other from the female gamete at the time of the union of the nucleus during formation of zygote.

Explanation of Solution

The homozygote or homozygous condition is where the same allele is present on both the homologous chromosomes. Both the alleles are either dominant or recessive.

The heterozygote or heterozygous condition is where different alleles are present on both the homologous chromosomes. One allele is dominant and the other is recessive.

(d)

Expert Solution

Summary Introduction

To differentiate: Genotype and phenotype

Introduction: Genetics is the study of genes and their inheritance patterns. Genotype and phenotype are two common terms used in genetics.

Explanation of Solution

The genetic makeup of an organism having genes that code for a particular trait of an individual trait is called as genotype.

The morphological or biochemical or physiological expression of the trait of the gene that encodes the trait is called the phenotype.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

(a)

Expert Solution

Summary Introduction

To differentiate: Gene and allele

Introduction: Genetics is the study of genes and their inheritance patterns. Allele and gene are two common terms used in genetics.

Explanation of Solution

A gene includes a set of nucleotides that code for a particular trait.

An allele is a variant of a gene for the same trait coded by the gene.

(b)

Expert Solution

Summary Introduction

To differentiate: Dominant and recessive allele.

Introduction: Genetics is the study of genes and their inheritance patterns. An allele is a variant of a gene for the same trait coded by the gene. Dominant and recessive alleles are two common terms used in genetics.

Explanation of Solution

The allele that is expressed in the heterozygous condition of two alleles is called as a dominant allele.

The recessive allele can be expressed only in homozygous condition. In heterozygous condition, the dominant allele masks its effects.

(c)

Expert Solution

Summary Introduction

To differentiate: Homozygote and heterozygote.

Introduction: Genetics is the study of genes and their inheritance patterns. Homozygote and heterozygote are two common terms used in genetics. An allele is a variant of a gene for the same trait coded by the gene. Homologous chromosomes are a pair of chromosomes where one chromosome was obtained from the male gamete and the other from the female gamete at the time of the union of the nucleus during formation of zygote.

Explanation of Solution

The homozygote or homozygous condition is where the same allele is present on both the homologous chromosomes. Both the alleles are either dominant or recessive.

The heterozygote or heterozygous condition is where different alleles are present on both the homologous chromosomes. One allele is dominant and the other is recessive.

(d)

Expert Solution

Summary Introduction

To differentiate: Genotype and phenotype

Introduction: Genetics is the study of genes and their inheritance patterns. Genotype and phenotype are two common terms used in genetics.

Explanation of Solution

The genetic makeup of an organism having genes that code for a particular trait of an individual trait is called as genotype.

The morphological or biochemical or physiological expression of the trait of the gene that encodes the trait is called the phenotype.

Answer 8

(a)

Expert Solution

Summary Introduction

To differentiate: Gene and allele

Introduction: Genetics is the study of genes and their inheritance patterns. Allele and gene are two common terms used in genetics.

Explanation of Solution

A gene includes a set of nucleotides that code for a particular trait.

An allele is a variant of a gene for the same trait coded by the gene.

Answer 9

(a)

Expert Solution

Answer 10

(a)

Expert Solution

Answer 11

Expert Solution

Answer 12

Summary Introduction

To differentiate: Gene and allele

Introduction: Genetics is the study of genes and their inheritance patterns. Allele and gene are two common terms used in genetics.

Answer 13

Explanation of Solution

A gene includes a set of nucleotides that code for a particular trait.

An allele is a variant of a gene for the same trait coded by the gene.

Answer 14

(b)

Expert Solution

Summary Introduction

To differentiate: Dominant and recessive allele.

Introduction: Genetics is the study of genes and their inheritance patterns. An allele is a variant of a gene for the same trait coded by the gene. Dominant and recessive alleles are two common terms used in genetics.

Explanation of Solution

The allele that is expressed in the heterozygous condition of two alleles is called as a dominant allele.

The recessive allele can be expressed only in homozygous condition. In heterozygous condition, the dominant allele masks its effects.

Answer 15

(b)

Expert Solution

Answer 16

(b)

Expert Solution

Answer 17

Expert Solution

Answer 18

Summary Introduction

To differentiate: Dominant and recessive allele.

Introduction: Genetics is the study of genes and their inheritance patterns. An allele is a variant of a gene for the same trait coded by the gene. Dominant and recessive alleles are two common terms used in genetics.

Answer 19

Explanation of Solution

The allele that is expressed in the heterozygous condition of two alleles is called as a dominant allele.

The recessive allele can be expressed only in homozygous condition. In heterozygous condition, the dominant allele masks its effects.

Answer 20

(c)

Expert Solution

Summary Introduction

To differentiate: Homozygote and heterozygote.

Introduction: Genetics is the study of genes and their inheritance patterns. Homozygote and heterozygote are two common terms used in genetics. An allele is a variant of a gene for the same trait coded by the gene. Homologous chromosomes are a pair of chromosomes where one chromosome was obtained from the male gamete and the other from the female gamete at the time of the union of the nucleus during formation of zygote.

Explanation of Solution

The homozygote or homozygous condition is where the same allele is present on both the homologous chromosomes. Both the alleles are either dominant or recessive.

The heterozygote or heterozygous condition is where different alleles are present on both the homologous chromosomes. One allele is dominant and the other is recessive.

Answer 21

(c)

Expert Solution

Answer 22

(c)

Expert Solution

Answer 23

Expert Solution

Answer 24

Summary Introduction

To differentiate: Homozygote and heterozygote.

Introduction: Genetics is the study of genes and their inheritance patterns. Homozygote and heterozygote are two common terms used in genetics. An allele is a variant of a gene for the same trait coded by the gene. Homologous chromosomes are a pair of chromosomes where one chromosome was obtained from the male gamete and the other from the female gamete at the time of the union of the nucleus during formation of zygote.

Answer 25

Explanation of Solution

The homozygote or homozygous condition is where the same allele is present on both the homologous chromosomes. Both the alleles are either dominant or recessive.

The heterozygote or heterozygous condition is where different alleles are present on both the homologous chromosomes. One allele is dominant and the other is recessive.

Answer 26

(d)

Expert Solution

Summary Introduction

To differentiate: Genotype and phenotype

Introduction: Genetics is the study of genes and their inheritance patterns. Genotype and phenotype are two common terms used in genetics.

Explanation of Solution

The genetic makeup of an organism having genes that code for a particular trait of an individual trait is called as genotype.

The morphological or biochemical or physiological expression of the trait of the gene that encodes the trait is called the phenotype.

Answer 27

(d)

Expert Solution

Answer 28

(d)

Expert Solution

Answer 29

Expert Solution

Answer 30

Summary Introduction

To differentiate: Genotype and phenotype

Introduction: Genetics is the study of genes and their inheritance patterns. Genotype and phenotype are two common terms used in genetics.

Answer 31

Explanation of Solution

The genetic makeup of an organism having genes that code for a particular trait of an individual trait is called as genotype.

The morphological or biochemical or physiological expression of the trait of the gene that encodes the trait is called the phenotype.

Answer 32

Ch. 19 - Define the difference between (a) gene and allele,...Ch. 19 - Prob. 2RQ Ch. 19 - What is probability, and how is it applied in...Ch. 19 - What is independent assortment? Does independent...Ch. 19 - Alleles are ___________. a. alternate forms of a...Ch. 19 - A heterozygote has _____. a. only one of the...Ch. 19 - Prob. 3SQ Ch. 19 - Offspring of a cross AA aa are ______. a. all AA...Ch. 19 - Prob. 5SQ Ch. 19 - Prob. 6SQ

Define the difference between ( a ) gene and allele, ( b ) dominant allele and recessive allele, ( c ) homozygote and heterozygote, and ( d ) genotype and phenotype .

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