List several ways in which meiosis differs from mitosis.

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Answer 1

Textbook Question

Chapter 7, Problem 1LTB

List several ways in which meiosis differs from mitosis.

Expert Solution & Answer

Summary Introduction

To write:

Differences between meiosis and mitosis.

Introduction:

There are two types of cell division- (a) Meiosis and (b) Mitosis. The meiotic process occurs in gametes whereas, the meiotic process occurs in body cells. Precise genetic copies of the parent cell are the new cells produced as a result of mitosis. Meiosis lowers the chromosome number by half.

Explanation of Solution

The difference between the mitosis and meiosis is given as follows:

Meiosis	Mitosis
1. It happens in germ cells.	1. It occurs in somatic cells
2. It involves crossing over.	2. It does not involve crossing-over.
3. It includes two nuclear divisions.	4. It involves one nuclear division.
5. The pairing of chromosomes takes place.	3. No chromosome pairing is seen.

Conclusion

Meiosis takes place in germ cells and mitosis occurs in somatic cells. Meiosis forms 4 daughter cells which are haploid, but mitosis produces two daughter cells, which are clones.

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Question #3: In the KeyGene paper, the authors state that it would be useful if pollen from an apomict would transmit apomixis-inducing genes to the female in the cross (assuming the pollen is viable). Assuming there was just one gene conferring gametophytic obligate apomixis, and that the two parents are inbreds, what would be the consequences of such a cross if: a) The apomixis was a dominant trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the parental cross. b) The apomixis was a recessive trait? Indicate the genotypes and phenotypes (apomict or non- apomict) of the parents, F1 and F2 generations. Remember to include the expected genotypic and phenotypic ratios (or percentages) in the F1 and F2 generations, and to position the female first (left side) in the…

Question #5: Assume that two genes are identified that confer gametophytic facultative apomixis in soybean. The genes show independent assortment. Recessive alleles at both loci are required for the facultative apomixis. Facultative apomixis is triggered when the temperature at pollination is above 20 degrees C. At temperatures below 20 degrees C, all reproduction is sexual, independent of genotype. A facultative apomict male, capable of producing viable pollen, was crossed with a sexually reproducing female. Assuming the parents are completely inbred, what are the predicted phenotypic ratios (apomict: non-apomict) for the F1, F2, and DH (F1-derived) generations at each of the following temperatures*: a) 15°C? b) 25°C? *for full credit, show crosses and genotypes where appropriate. Remember to position the female first (left side) in the cross. Type your answer here:

Answer 2

Textbook Question

Chapter 7, Problem 1LTB

List several ways in which meiosis differs from mitosis.

Expert Solution & Answer

Summary Introduction

To write:

Differences between meiosis and mitosis.

Introduction:

There are two types of cell division- (a) Meiosis and (b) Mitosis. The meiotic process occurs in gametes whereas, the meiotic process occurs in body cells. Precise genetic copies of the parent cell are the new cells produced as a result of mitosis. Meiosis lowers the chromosome number by half.

Explanation of Solution

The difference between the mitosis and meiosis is given as follows:

Meiosis	Mitosis
1. It happens in germ cells.	1. It occurs in somatic cells
2. It involves crossing over.	2. It does not involve crossing-over.
3. It includes two nuclear divisions.	4. It involves one nuclear division.
5. The pairing of chromosomes takes place.	3. No chromosome pairing is seen.

Conclusion

Meiosis takes place in germ cells and mitosis occurs in somatic cells. Meiosis forms 4 daughter cells which are haploid, but mitosis produces two daughter cells, which are clones.

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Answer 3

Textbook Question

Chapter 7, Problem 1LTB

List several ways in which meiosis differs from mitosis.

Expert Solution & Answer

Summary Introduction

To write:

Differences between meiosis and mitosis.

Introduction:

There are two types of cell division- (a) Meiosis and (b) Mitosis. The meiotic process occurs in gametes whereas, the meiotic process occurs in body cells. Precise genetic copies of the parent cell are the new cells produced as a result of mitosis. Meiosis lowers the chromosome number by half.

Explanation of Solution

The difference between the mitosis and meiosis is given as follows:

Meiosis	Mitosis
1. It happens in germ cells.	1. It occurs in somatic cells
2. It involves crossing over.	2. It does not involve crossing-over.
3. It includes two nuclear divisions.	4. It involves one nuclear division.
5. The pairing of chromosomes takes place.	3. No chromosome pairing is seen.

Conclusion

Meiosis takes place in germ cells and mitosis occurs in somatic cells. Meiosis forms 4 daughter cells which are haploid, but mitosis produces two daughter cells, which are clones.

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Answer 4

Textbook Question

Chapter 7, Problem 1LTB

List several ways in which meiosis differs from mitosis.

Expert Solution & Answer

Summary Introduction

To write:

Differences between meiosis and mitosis.

Introduction:

There are two types of cell division- (a) Meiosis and (b) Mitosis. The meiotic process occurs in gametes whereas, the meiotic process occurs in body cells. Precise genetic copies of the parent cell are the new cells produced as a result of mitosis. Meiosis lowers the chromosome number by half.

Explanation of Solution

The difference between the mitosis and meiosis is given as follows:

Meiosis	Mitosis
1. It happens in germ cells.	1. It occurs in somatic cells
2. It involves crossing over.	2. It does not involve crossing-over.
3. It includes two nuclear divisions.	4. It involves one nuclear division.
5. The pairing of chromosomes takes place.	3. No chromosome pairing is seen.

Conclusion

Meiosis takes place in germ cells and mitosis occurs in somatic cells. Meiosis forms 4 daughter cells which are haploid, but mitosis produces two daughter cells, which are clones.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

To write:

Differences between meiosis and mitosis.

Introduction:

There are two types of cell division- (a) Meiosis and (b) Mitosis. The meiotic process occurs in gametes whereas, the meiotic process occurs in body cells. Precise genetic copies of the parent cell are the new cells produced as a result of mitosis. Meiosis lowers the chromosome number by half.

Explanation of Solution

The difference between the mitosis and meiosis is given as follows:

Meiosis	Mitosis
1. It happens in germ cells.	1. It occurs in somatic cells
2. It involves crossing over.	2. It does not involve crossing-over.
3. It includes two nuclear divisions.	4. It involves one nuclear division.
5. The pairing of chromosomes takes place.	3. No chromosome pairing is seen.

Conclusion

Meiosis takes place in germ cells and mitosis occurs in somatic cells. Meiosis forms 4 daughter cells which are haploid, but mitosis produces two daughter cells, which are clones.

Answer 8

Expert Solution & Answer

Summary Introduction

To write:

Differences between meiosis and mitosis.

Introduction:

There are two types of cell division- (a) Meiosis and (b) Mitosis. The meiotic process occurs in gametes whereas, the meiotic process occurs in body cells. Precise genetic copies of the parent cell are the new cells produced as a result of mitosis. Meiosis lowers the chromosome number by half.

Explanation of Solution

The difference between the mitosis and meiosis is given as follows:

Meiosis	Mitosis
1. It happens in germ cells.	1. It occurs in somatic cells
2. It involves crossing over.	2. It does not involve crossing-over.
3. It includes two nuclear divisions.	4. It involves one nuclear division.
5. The pairing of chromosomes takes place.	3. No chromosome pairing is seen.

Conclusion

Meiosis takes place in germ cells and mitosis occurs in somatic cells. Meiosis forms 4 daughter cells which are haploid, but mitosis produces two daughter cells, which are clones.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

To write:

Differences between meiosis and mitosis.

Introduction:

There are two types of cell division- (a) Meiosis and (b) Mitosis. The meiotic process occurs in gametes whereas, the meiotic process occurs in body cells. Precise genetic copies of the parent cell are the new cells produced as a result of mitosis. Meiosis lowers the chromosome number by half.

Answer 12

Explanation of Solution

The difference between the mitosis and meiosis is given as follows:

Meiosis	Mitosis
1. It happens in germ cells.	1. It occurs in somatic cells
2. It involves crossing over.	2. It does not involve crossing-over.
3. It includes two nuclear divisions.	4. It involves one nuclear division.
5. The pairing of chromosomes takes place.	3. No chromosome pairing is seen.

Answer 13

Conclusion

Meiosis takes place in germ cells and mitosis occurs in somatic cells. Meiosis forms 4 daughter cells which are haploid, but mitosis produces two daughter cells, which are clones.

Answer 14

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List several ways in which meiosis differs from mitosis.

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