The homologous chromosomes. Introduction: Chromosomes are the thread-like structures in the nucleus of a cell containing the genetic material in the form of the DNA (deoxyribonucleic acid). Each chromosome is made up of tightly packed DNA coiled around the histone proteins. Each cell has 23 pairs of chromosomes or 46 chromosomes. Homologous chromosomes are a pair of chromosomes that are similar, carry the same genetic information. One of the pairs is derived from mother (maternal) and the other one from the father (paternal).

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Answer 1

Question

Chapter 24, Problem S5.4BYB

Summary Introduction

To define:

The homologous chromosomes.

Introduction:

Chromosomes are the thread-like structures in the nucleus of a cell containing the genetic material in the form of the DNA (deoxyribonucleic acid). Each chromosome is made up of tightly packed DNA coiled around the histone proteins. Each cell has 23 pairs of chromosomes or 46 chromosomes. Homologous chromosomes are a pair of chromosomes that are similar, carry the same genetic information. One of the pairs is derived from mother (maternal) and the other one from the father (paternal).

Expert Solution & Answer

Explanation of Solution

Homologous chromosomes can be defined as a set of 1 maternal and 1 paternal chromosome, which is paired up together in the cell during the meiosis. They are similar in the length, position of the centromere and have the same genes in the same loci, but, the alleles may be different. The first 22 pairs of the chromosomes (autosomes) in humans are homologous in nature. In the females, the 23^rd pair is also homologous, as both are X chromosome, but in males, they are not homologous, as one of them is X and the other is Y.

Conclusion

Homologous chromosomes are very important in meiosis as they allow recombination and segregation of the genetic material from the parents to the offspring.

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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?

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Answer 2

Question

Chapter 24, Problem S5.4BYB

Summary Introduction

To define:

The homologous chromosomes.

Introduction:

Chromosomes are the thread-like structures in the nucleus of a cell containing the genetic material in the form of the DNA (deoxyribonucleic acid). Each chromosome is made up of tightly packed DNA coiled around the histone proteins. Each cell has 23 pairs of chromosomes or 46 chromosomes. Homologous chromosomes are a pair of chromosomes that are similar, carry the same genetic information. One of the pairs is derived from mother (maternal) and the other one from the father (paternal).

Expert Solution & Answer

Explanation of Solution

Homologous chromosomes can be defined as a set of 1 maternal and 1 paternal chromosome, which is paired up together in the cell during the meiosis. They are similar in the length, position of the centromere and have the same genes in the same loci, but, the alleles may be different. The first 22 pairs of the chromosomes (autosomes) in humans are homologous in nature. In the females, the 23^rd pair is also homologous, as both are X chromosome, but in males, they are not homologous, as one of them is X and the other is Y.

Conclusion

Homologous chromosomes are very important in meiosis as they allow recombination and segregation of the genetic material from the parents to the offspring.

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Answer 3

Question

Chapter 24, Problem S5.4BYB

Summary Introduction

To define:

The homologous chromosomes.

Introduction:

Chromosomes are the thread-like structures in the nucleus of a cell containing the genetic material in the form of the DNA (deoxyribonucleic acid). Each chromosome is made up of tightly packed DNA coiled around the histone proteins. Each cell has 23 pairs of chromosomes or 46 chromosomes. Homologous chromosomes are a pair of chromosomes that are similar, carry the same genetic information. One of the pairs is derived from mother (maternal) and the other one from the father (paternal).

Expert Solution & Answer

Explanation of Solution

Homologous chromosomes can be defined as a set of 1 maternal and 1 paternal chromosome, which is paired up together in the cell during the meiosis. They are similar in the length, position of the centromere and have the same genes in the same loci, but, the alleles may be different. The first 22 pairs of the chromosomes (autosomes) in humans are homologous in nature. In the females, the 23^rd pair is also homologous, as both are X chromosome, but in males, they are not homologous, as one of them is X and the other is Y.

Conclusion

Homologous chromosomes are very important in meiosis as they allow recombination and segregation of the genetic material from the parents to the offspring.

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Answer 4

Question

Chapter 24, Problem S5.4BYB

Summary Introduction

To define:

The homologous chromosomes.

Introduction:

Chromosomes are the thread-like structures in the nucleus of a cell containing the genetic material in the form of the DNA (deoxyribonucleic acid). Each chromosome is made up of tightly packed DNA coiled around the histone proteins. Each cell has 23 pairs of chromosomes or 46 chromosomes. Homologous chromosomes are a pair of chromosomes that are similar, carry the same genetic information. One of the pairs is derived from mother (maternal) and the other one from the father (paternal).

Expert Solution & Answer

Explanation of Solution

Homologous chromosomes can be defined as a set of 1 maternal and 1 paternal chromosome, which is paired up together in the cell during the meiosis. They are similar in the length, position of the centromere and have the same genes in the same loci, but, the alleles may be different. The first 22 pairs of the chromosomes (autosomes) in humans are homologous in nature. In the females, the 23^rd pair is also homologous, as both are X chromosome, but in males, they are not homologous, as one of them is X and the other is Y.

Conclusion

Homologous chromosomes are very important in meiosis as they allow recombination and segregation of the genetic material from the parents to the offspring.

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Answer 5

Chapter 24, Problem S5.4BYB

Summary Introduction

To define:

The homologous chromosomes.

Introduction:

Chromosomes are the thread-like structures in the nucleus of a cell containing the genetic material in the form of the DNA (deoxyribonucleic acid). Each chromosome is made up of tightly packed DNA coiled around the histone proteins. Each cell has 23 pairs of chromosomes or 46 chromosomes. Homologous chromosomes are a pair of chromosomes that are similar, carry the same genetic information. One of the pairs is derived from mother (maternal) and the other one from the father (paternal).

Expert Solution & Answer

Explanation of Solution

Homologous chromosomes can be defined as a set of 1 maternal and 1 paternal chromosome, which is paired up together in the cell during the meiosis. They are similar in the length, position of the centromere and have the same genes in the same loci, but, the alleles may be different. The first 22 pairs of the chromosomes (autosomes) in humans are homologous in nature. In the females, the 23^rd pair is also homologous, as both are X chromosome, but in males, they are not homologous, as one of them is X and the other is Y.

Conclusion

Homologous chromosomes are very important in meiosis as they allow recombination and segregation of the genetic material from the parents to the offspring.

Answer 6

Chapter 24, Problem S5.4BYB

Summary Introduction

To define:

The homologous chromosomes.

Introduction:

Chromosomes are the thread-like structures in the nucleus of a cell containing the genetic material in the form of the DNA (deoxyribonucleic acid). Each chromosome is made up of tightly packed DNA coiled around the histone proteins. Each cell has 23 pairs of chromosomes or 46 chromosomes. Homologous chromosomes are a pair of chromosomes that are similar, carry the same genetic information. One of the pairs is derived from mother (maternal) and the other one from the father (paternal).

Expert Solution & Answer

Explanation of Solution

Homologous chromosomes can be defined as a set of 1 maternal and 1 paternal chromosome, which is paired up together in the cell during the meiosis. They are similar in the length, position of the centromere and have the same genes in the same loci, but, the alleles may be different. The first 22 pairs of the chromosomes (autosomes) in humans are homologous in nature. In the females, the 23^rd pair is also homologous, as both are X chromosome, but in males, they are not homologous, as one of them is X and the other is Y.

Conclusion

Homologous chromosomes are very important in meiosis as they allow recombination and segregation of the genetic material from the parents to the offspring.

Answer 7

Chapter 24, Problem S5.4BYB

Summary Introduction

To define:

The homologous chromosomes.

Introduction:

Chromosomes are the thread-like structures in the nucleus of a cell containing the genetic material in the form of the DNA (deoxyribonucleic acid). Each chromosome is made up of tightly packed DNA coiled around the histone proteins. Each cell has 23 pairs of chromosomes or 46 chromosomes. Homologous chromosomes are a pair of chromosomes that are similar, carry the same genetic information. One of the pairs is derived from mother (maternal) and the other one from the father (paternal).

Answer 8

Expert Solution & Answer

Explanation of Solution

Homologous chromosomes can be defined as a set of 1 maternal and 1 paternal chromosome, which is paired up together in the cell during the meiosis. They are similar in the length, position of the centromere and have the same genes in the same loci, but, the alleles may be different. The first 22 pairs of the chromosomes (autosomes) in humans are homologous in nature. In the females, the 23^rd pair is also homologous, as both are X chromosome, but in males, they are not homologous, as one of them is X and the other is Y.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Conclusion

Homologous chromosomes are very important in meiosis as they allow recombination and segregation of the genetic material from the parents to the offspring.

Answer 12

Ch. 24.1 - Prob. 1LO Ch. 24.1 - Prob. 2LO Ch. 24.1 - Prob. 1CYP Ch. 24.1 - Prob. 2CYP Ch. 24.2 - Prob. 1LO Ch. 24.2 - Prob. 2LO Ch. 24.2 - Prob. 3LO Ch. 24.2 - Prob. 1QTC Ch. 24.2 - Prob. 2QTC Ch. 24.2 - Prob. 3QTC

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