Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. In humans total 46 pair of chromosomes are present that occur in 23 pair. 22 pairs are similar in both male and female is called autosome while 23 pair is called sex chromosome which is different in male and female. In females, XX chromosomes is present while in males XY chromosome is present

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Answer 1

Question

Chapter 19, Problem 1A

Summary Introduction

Introduction:

Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. In humans total 46 pair of chromosomes are present that occur in 23 pair. 22 pairs are similar in both male and female is called autosome while 23 pair is called sex chromosome which is different in male and female. In females, XX chromosomes is present while in males XY chromosome is present

Expert Solution & Answer

Answer to Problem 1A

Correct answer: Two sister chromatids are attached by centromere. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

Centromere is the region of chromosome on to which sister chromatids are attached to centromere. During mitotic division the centromere splits and sister chromatids give rise to daughter chromosome.

Option (c) is given as “centromere”.

As “the point of attachment for two sister chromatids is the centromere”, it is the right answer.

Hence, option (c) is correct.

Reasons for the incorrect statements:

Option (a) is given as “centriole”.
Centriole is a cell organelle made up of tubulin protein and protein strands called microtubules. It is only found in animal cells. It helps in division of cells. So, it is a wrong answer.

Option (b) is given as “chromosome”.
Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. So, it is a wrong answer.

Option (d) is given as “karyotype”
It is a type of test used to identify the shape, size and number of chromosome in an individual. . So, it is a wrong answer.

Option (e) is given as “chromatin”.
Chromatin is complex formed by DNA, RNA and specialized protein called histones. Nucleosome is the unit of chromatin. So, it is a wrong answer.

Hence, options (a), (b), (d) and (e) are incorrect.

Conclusion

The two sister chromatids are attached by the centromere.

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Answer 2

Question

Chapter 19, Problem 1A

Summary Introduction

Introduction:

Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. In humans total 46 pair of chromosomes are present that occur in 23 pair. 22 pairs are similar in both male and female is called autosome while 23 pair is called sex chromosome which is different in male and female. In females, XX chromosomes is present while in males XY chromosome is present

Expert Solution & Answer

Answer to Problem 1A

Correct answer: Two sister chromatids are attached by centromere. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

Centromere is the region of chromosome on to which sister chromatids are attached to centromere. During mitotic division the centromere splits and sister chromatids give rise to daughter chromosome.

Option (c) is given as “centromere”.

As “the point of attachment for two sister chromatids is the centromere”, it is the right answer.

Hence, option (c) is correct.

Reasons for the incorrect statements:

Option (a) is given as “centriole”.
Centriole is a cell organelle made up of tubulin protein and protein strands called microtubules. It is only found in animal cells. It helps in division of cells. So, it is a wrong answer.

Option (b) is given as “chromosome”.
Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. So, it is a wrong answer.

Option (d) is given as “karyotype”
It is a type of test used to identify the shape, size and number of chromosome in an individual. . So, it is a wrong answer.

Option (e) is given as “chromatin”.
Chromatin is complex formed by DNA, RNA and specialized protein called histones. Nucleosome is the unit of chromatin. So, it is a wrong answer.

Hence, options (a), (b), (d) and (e) are incorrect.

Conclusion

The two sister chromatids are attached by the centromere.

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

Answer 3

Question

Chapter 19, Problem 1A

Summary Introduction

Introduction:

Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. In humans total 46 pair of chromosomes are present that occur in 23 pair. 22 pairs are similar in both male and female is called autosome while 23 pair is called sex chromosome which is different in male and female. In females, XX chromosomes is present while in males XY chromosome is present

Expert Solution & Answer

Answer to Problem 1A

Correct answer: Two sister chromatids are attached by centromere. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

Centromere is the region of chromosome on to which sister chromatids are attached to centromere. During mitotic division the centromere splits and sister chromatids give rise to daughter chromosome.

Option (c) is given as “centromere”.

As “the point of attachment for two sister chromatids is the centromere”, it is the right answer.

Hence, option (c) is correct.

Reasons for the incorrect statements:

Option (a) is given as “centriole”.
Centriole is a cell organelle made up of tubulin protein and protein strands called microtubules. It is only found in animal cells. It helps in division of cells. So, it is a wrong answer.

Option (b) is given as “chromosome”.
Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. So, it is a wrong answer.

Option (d) is given as “karyotype”
It is a type of test used to identify the shape, size and number of chromosome in an individual. . So, it is a wrong answer.

Option (e) is given as “chromatin”.
Chromatin is complex formed by DNA, RNA and specialized protein called histones. Nucleosome is the unit of chromatin. So, it is a wrong answer.

Hence, options (a), (b), (d) and (e) are incorrect.

Conclusion

The two sister chromatids are attached by the centromere.

Want to see more full solutions like this?

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

Answer 4

Question

Chapter 19, Problem 1A

Summary Introduction

Introduction:

Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. In humans total 46 pair of chromosomes are present that occur in 23 pair. 22 pairs are similar in both male and female is called autosome while 23 pair is called sex chromosome which is different in male and female. In females, XX chromosomes is present while in males XY chromosome is present

Expert Solution & Answer

Answer to Problem 1A

Correct answer: Two sister chromatids are attached by centromere. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

Centromere is the region of chromosome on to which sister chromatids are attached to centromere. During mitotic division the centromere splits and sister chromatids give rise to daughter chromosome.

Option (c) is given as “centromere”.

As “the point of attachment for two sister chromatids is the centromere”, it is the right answer.

Hence, option (c) is correct.

Reasons for the incorrect statements:

Option (a) is given as “centriole”.
Centriole is a cell organelle made up of tubulin protein and protein strands called microtubules. It is only found in animal cells. It helps in division of cells. So, it is a wrong answer.

Option (b) is given as “chromosome”.
Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. So, it is a wrong answer.

Option (d) is given as “karyotype”
It is a type of test used to identify the shape, size and number of chromosome in an individual. . So, it is a wrong answer.

Option (e) is given as “chromatin”.
Chromatin is complex formed by DNA, RNA and specialized protein called histones. Nucleosome is the unit of chromatin. So, it is a wrong answer.

Hence, options (a), (b), (d) and (e) are incorrect.

Conclusion

The two sister chromatids are attached by the centromere.

Want to see more full solutions like this?

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

Answer 5

Chapter 19, Problem 1A

Summary Introduction

Introduction:

Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. In humans total 46 pair of chromosomes are present that occur in 23 pair. 22 pairs are similar in both male and female is called autosome while 23 pair is called sex chromosome which is different in male and female. In females, XX chromosomes is present while in males XY chromosome is present

Expert Solution & Answer

Answer to Problem 1A

Correct answer: Two sister chromatids are attached by centromere. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

Centromere is the region of chromosome on to which sister chromatids are attached to centromere. During mitotic division the centromere splits and sister chromatids give rise to daughter chromosome.

Option (c) is given as “centromere”.

As “the point of attachment for two sister chromatids is the centromere”, it is the right answer.

Hence, option (c) is correct.

Reasons for the incorrect statements:

Option (a) is given as “centriole”.
Centriole is a cell organelle made up of tubulin protein and protein strands called microtubules. It is only found in animal cells. It helps in division of cells. So, it is a wrong answer.

Option (b) is given as “chromosome”.
Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. So, it is a wrong answer.

Option (d) is given as “karyotype”
It is a type of test used to identify the shape, size and number of chromosome in an individual. . So, it is a wrong answer.

Option (e) is given as “chromatin”.
Chromatin is complex formed by DNA, RNA and specialized protein called histones. Nucleosome is the unit of chromatin. So, it is a wrong answer.

Hence, options (a), (b), (d) and (e) are incorrect.

Conclusion

The two sister chromatids are attached by the centromere.

Answer 6

Chapter 19, Problem 1A

Summary Introduction

Introduction:

Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. In humans total 46 pair of chromosomes are present that occur in 23 pair. 22 pairs are similar in both male and female is called autosome while 23 pair is called sex chromosome which is different in male and female. In females, XX chromosomes is present while in males XY chromosome is present

Expert Solution & Answer

Answer to Problem 1A

Correct answer: Two sister chromatids are attached by centromere. Therefore, option (c) is correct.

Explanation of Solution

Reason for the correct statement:

Centromere is the region of chromosome on to which sister chromatids are attached to centromere. During mitotic division the centromere splits and sister chromatids give rise to daughter chromosome.

Option (c) is given as “centromere”.

As “the point of attachment for two sister chromatids is the centromere”, it is the right answer.

Hence, option (c) is correct.

Reasons for the incorrect statements:

Option (a) is given as “centriole”.
Centriole is a cell organelle made up of tubulin protein and protein strands called microtubules. It is only found in animal cells. It helps in division of cells. So, it is a wrong answer.

Option (b) is given as “chromosome”.
Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. So, it is a wrong answer.

Option (d) is given as “karyotype”
It is a type of test used to identify the shape, size and number of chromosome in an individual. . So, it is a wrong answer.

Option (e) is given as “chromatin”.
Chromatin is complex formed by DNA, RNA and specialized protein called histones. Nucleosome is the unit of chromatin. So, it is a wrong answer.

Hence, options (a), (b), (d) and (e) are incorrect.

Conclusion

The two sister chromatids are attached by the centromere.

Answer 7

Chapter 19, Problem 1A

Summary Introduction

Introduction:

Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. In humans total 46 pair of chromosomes are present that occur in 23 pair. 22 pairs are similar in both male and female is called autosome while 23 pair is called sex chromosome which is different in male and female. In females, XX chromosomes is present while in males XY chromosome is present

Answer 8

Expert Solution & Answer

Answer to Problem 1A

Correct answer: Two sister chromatids are attached by centromere. Therefore, option (c) is correct.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Reason for the correct statement:

Centromere is the region of chromosome on to which sister chromatids are attached to centromere. During mitotic division the centromere splits and sister chromatids give rise to daughter chromosome.

Option (c) is given as “centromere”.

As “the point of attachment for two sister chromatids is the centromere”, it is the right answer.

Hence, option (c) is correct.

Reasons for the incorrect statements:

Option (a) is given as “centriole”.
Centriole is a cell organelle made up of tubulin protein and protein strands called microtubules. It is only found in animal cells. It helps in division of cells. So, it is a wrong answer.

Option (b) is given as “chromosome”.
Chromosome is a thread like structure composed of nucleic acid and protein present in living cells that carry genetic information in the form of genes. It is found in both plants and animals. So, it is a wrong answer.

Option (d) is given as “karyotype”
It is a type of test used to identify the shape, size and number of chromosome in an individual. . So, it is a wrong answer.

Option (e) is given as “chromatin”.
Chromatin is complex formed by DNA, RNA and specialized protein called histones. Nucleosome is the unit of chromatin. So, it is a wrong answer.

Hence, options (a), (b), (d) and (e) are incorrect.