During meiosis I Homologous chromosomes synapse. Crossing over between homologous chromosomes occurs. the chromosomal number is reduced by half. the haploid cells are produced. All of these are correct.

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Answer 1

Textbook Question

Chapter 28, Problem 1RAC

During meiosis I

Homologous chromosomes synapse.
Crossing over between homologous chromosomes occurs.
the chromosomal number is reduced by half.
the haploid cells are produced.
All of these are correct.

Expert Solution & Answer

Summary Introduction

Introduction:

The process of DNA replication is the process by which the genetic material of the organism copies itself to be distributed among the daughter cells during cell division. The DNA replication takes place before the cell division and prepares the cell for mitosis and meiosis. This process is followed by transcription and translation.

Answer to Problem 1RAC

The correct answer is option (e) all of these are correct.

Explanation of Solution

Explanation/justification for the correct answer:

Option (e) all of these are correct. The meiosis or the reductional division reduces the chromosome number in the two haploid cells by half and consists of crossing over at the synapse. So, the correct answer is option (e).

Explanation for incorrect answer:

Option (a) homologous chromosomes synapse. The meiotic division allows the recombination to occur between the homologous chromosomes at the synapse and allows the exchange of the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect option.

Option (b) crossing over between homologous chromosomes occurs. During meiosis, the crossing over takes place between the homologous chromosomes that allow the two chromosomes to exchange the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (c) the chromosome number is reduced by half. The chromosome number is reduced to half from diploid cell to haploid gametes that give rise to diploid zygote, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (d) two haploid cells are produced. The diploid cell results in the production of two cells that are haploid in nature as the chromosome number is reduced to half during the meiotic divisions, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

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After you feel comfortable with your counting method and identifying cells in the various stages of mitosis, use the four images below of whitefish blastula to count the cells in each stage until you reach 100 total cells, recording your data below in Data Table 1. (You may not need to use all four images. Stop counting when you reach 100 total cells.) After totaling the cells in each stage, calculate the percent of cells in each stage. (Divide total of stage by overall total of 100 and then multiply by 100 to obtain percentage.) Data Table 1Stage Totals PercentInterphase Mitosis: Prophase Metaphase Anaphase Telophase Cytokinesis Totals 100 100% To find the length of time whitefish blastula cells spend in each stage, multiply the percent (recorded as a decimal, in other words take the percent number and divide by 100) by 24 hours. (Example: If percent is 20%, then Time in Hours = .2 * 24 = 4.8) Record your data in Data…

Answer 2

Textbook Question

Chapter 28, Problem 1RAC

During meiosis I

Homologous chromosomes synapse.
Crossing over between homologous chromosomes occurs.
the chromosomal number is reduced by half.
the haploid cells are produced.
All of these are correct.

Expert Solution & Answer

Summary Introduction

Introduction:

The process of DNA replication is the process by which the genetic material of the organism copies itself to be distributed among the daughter cells during cell division. The DNA replication takes place before the cell division and prepares the cell for mitosis and meiosis. This process is followed by transcription and translation.

Answer to Problem 1RAC

The correct answer is option (e) all of these are correct.

Explanation of Solution

Explanation/justification for the correct answer:

Option (e) all of these are correct. The meiosis or the reductional division reduces the chromosome number in the two haploid cells by half and consists of crossing over at the synapse. So, the correct answer is option (e).

Explanation for incorrect answer:

Option (a) homologous chromosomes synapse. The meiotic division allows the recombination to occur between the homologous chromosomes at the synapse and allows the exchange of the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect option.

Option (b) crossing over between homologous chromosomes occurs. During meiosis, the crossing over takes place between the homologous chromosomes that allow the two chromosomes to exchange the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (c) the chromosome number is reduced by half. The chromosome number is reduced to half from diploid cell to haploid gametes that give rise to diploid zygote, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (d) two haploid cells are produced. The diploid cell results in the production of two cells that are haploid in nature as the chromosome number is reduced to half during the meiotic divisions, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

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Answer 3

Textbook Question

Chapter 28, Problem 1RAC

During meiosis I

Homologous chromosomes synapse.
Crossing over between homologous chromosomes occurs.
the chromosomal number is reduced by half.
the haploid cells are produced.
All of these are correct.

Expert Solution & Answer

Summary Introduction

Introduction:

The process of DNA replication is the process by which the genetic material of the organism copies itself to be distributed among the daughter cells during cell division. The DNA replication takes place before the cell division and prepares the cell for mitosis and meiosis. This process is followed by transcription and translation.

Answer to Problem 1RAC

The correct answer is option (e) all of these are correct.

Explanation of Solution

Explanation/justification for the correct answer:

Option (e) all of these are correct. The meiosis or the reductional division reduces the chromosome number in the two haploid cells by half and consists of crossing over at the synapse. So, the correct answer is option (e).

Explanation for incorrect answer:

Option (a) homologous chromosomes synapse. The meiotic division allows the recombination to occur between the homologous chromosomes at the synapse and allows the exchange of the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect option.

Option (b) crossing over between homologous chromosomes occurs. During meiosis, the crossing over takes place between the homologous chromosomes that allow the two chromosomes to exchange the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (c) the chromosome number is reduced by half. The chromosome number is reduced to half from diploid cell to haploid gametes that give rise to diploid zygote, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (d) two haploid cells are produced. The diploid cell results in the production of two cells that are haploid in nature as the chromosome number is reduced to half during the meiotic divisions, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

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Answer 4

Textbook Question

Chapter 28, Problem 1RAC

During meiosis I

Homologous chromosomes synapse.
Crossing over between homologous chromosomes occurs.
the chromosomal number is reduced by half.
the haploid cells are produced.
All of these are correct.

Expert Solution & Answer

Summary Introduction

Introduction:

The process of DNA replication is the process by which the genetic material of the organism copies itself to be distributed among the daughter cells during cell division. The DNA replication takes place before the cell division and prepares the cell for mitosis and meiosis. This process is followed by transcription and translation.

Answer to Problem 1RAC

The correct answer is option (e) all of these are correct.

Explanation of Solution

Explanation/justification for the correct answer:

Option (e) all of these are correct. The meiosis or the reductional division reduces the chromosome number in the two haploid cells by half and consists of crossing over at the synapse. So, the correct answer is option (e).

Explanation for incorrect answer:

Option (a) homologous chromosomes synapse. The meiotic division allows the recombination to occur between the homologous chromosomes at the synapse and allows the exchange of the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect option.

Option (b) crossing over between homologous chromosomes occurs. During meiosis, the crossing over takes place between the homologous chromosomes that allow the two chromosomes to exchange the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (c) the chromosome number is reduced by half. The chromosome number is reduced to half from diploid cell to haploid gametes that give rise to diploid zygote, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (d) two haploid cells are produced. The diploid cell results in the production of two cells that are haploid in nature as the chromosome number is reduced to half during the meiotic divisions, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction:

The process of DNA replication is the process by which the genetic material of the organism copies itself to be distributed among the daughter cells during cell division. The DNA replication takes place before the cell division and prepares the cell for mitosis and meiosis. This process is followed by transcription and translation.

Answer to Problem 1RAC

The correct answer is option (e) all of these are correct.

Explanation of Solution

Explanation/justification for the correct answer:

Option (e) all of these are correct. The meiosis or the reductional division reduces the chromosome number in the two haploid cells by half and consists of crossing over at the synapse. So, the correct answer is option (e).

Explanation for incorrect answer:

Option (a) homologous chromosomes synapse. The meiotic division allows the recombination to occur between the homologous chromosomes at the synapse and allows the exchange of the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect option.

Option (b) crossing over between homologous chromosomes occurs. During meiosis, the crossing over takes place between the homologous chromosomes that allow the two chromosomes to exchange the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (c) the chromosome number is reduced by half. The chromosome number is reduced to half from diploid cell to haploid gametes that give rise to diploid zygote, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (d) two haploid cells are produced. The diploid cell results in the production of two cells that are haploid in nature as the chromosome number is reduced to half during the meiotic divisions, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction:

The process of DNA replication is the process by which the genetic material of the organism copies itself to be distributed among the daughter cells during cell division. The DNA replication takes place before the cell division and prepares the cell for mitosis and meiosis. This process is followed by transcription and translation.

Answer to Problem 1RAC

The correct answer is option (e) all of these are correct.

Explanation of Solution

Explanation/justification for the correct answer:

Option (e) all of these are correct. The meiosis or the reductional division reduces the chromosome number in the two haploid cells by half and consists of crossing over at the synapse. So, the correct answer is option (e).

Explanation for incorrect answer:

Option (a) homologous chromosomes synapse. The meiotic division allows the recombination to occur between the homologous chromosomes at the synapse and allows the exchange of the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect option.

Option (b) crossing over between homologous chromosomes occurs. During meiosis, the crossing over takes place between the homologous chromosomes that allow the two chromosomes to exchange the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (c) the chromosome number is reduced by half. The chromosome number is reduced to half from diploid cell to haploid gametes that give rise to diploid zygote, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (d) two haploid cells are produced. The diploid cell results in the production of two cells that are haploid in nature as the chromosome number is reduced to half during the meiotic divisions, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction:

The process of DNA replication is the process by which the genetic material of the organism copies itself to be distributed among the daughter cells during cell division. The DNA replication takes place before the cell division and prepares the cell for mitosis and meiosis. This process is followed by transcription and translation.

Answer 12

Answer to Problem 1RAC

The correct answer is option (e) all of these are correct.

Answer 13

Explanation of Solution

Explanation/justification for the correct answer:

Option (e) all of these are correct. The meiosis or the reductional division reduces the chromosome number in the two haploid cells by half and consists of crossing over at the synapse. So, the correct answer is option (e).

Explanation for incorrect answer:

Option (a) homologous chromosomes synapse. The meiotic division allows the recombination to occur between the homologous chromosomes at the synapse and allows the exchange of the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect option.

Option (b) crossing over between homologous chromosomes occurs. During meiosis, the crossing over takes place between the homologous chromosomes that allow the two chromosomes to exchange the genetic material, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (c) the chromosome number is reduced by half. The chromosome number is reduced to half from diploid cell to haploid gametes that give rise to diploid zygote, but that is not the only characteristic of meiosis. So, this is an incorrect answer.

Option (d) two haploid cells are produced. The diploid cell results in the production of two cells that are haploid in nature as the chromosome number is reduced to half during the meiotic divisions, but that is not the only characteristic of meiosis. So, this is an incorrect answer.