Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.

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Chapter 11, Problem 6A

Summary Introduction

Introduction:

Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.

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A parent cell divides to form two genetically identical daughter cells in the process of mitosis. For mitosis to take place: A. the parent cell must divide its DNA in half so each daughter cell gets only the genes needed to carry out its functions. In this way, differentiation occurs. B. the parent cell must reproduce its DNA during telophase C. the parent cell must first be fertilized D. the parent cell must replicate its entire genome prior to mitosis E. crossover must be delayed until the second cell division

All of the following is significant application of mitosis except. a. Cloning b. Budding c. Formation of Gametes d. Stem Cell Regeneration If 6 cells undergoing celll division has 12 chromosomes, how many chromosome will there be in the daughter cells after mitosis and meiosis II respectively? a. 6 and 12 b. 12 and 6 c. 6 and 3 d. 6 and 6 In meiosis, the number of chromosomes of the mother cell compared to the resultant daughter cell's chromosome is A. doubled B. halved C. tripled D. the same Elongation of the cell undergoing the last phases of mitosis is due to A. movement of the chromosomes to the opposite poles B. increase in the volume of the cytoplasm that should be contained C. depolymerization of the spindle fibers connected to the kinetochore D. polymerization of the spindle fibers not connected to the kinetochore

Match each term with its description Chromatid Chromosome + Chromatin Homologous chromosomes Sister chromatids A. "Chromosome pairs inherited from each parent. Chromosomes pairs with same shape, same size and same genes. " B. One of the two identical copies making a chromosome C. Chromatids product of DNA duplication D. Single piece of chromatin tightly packed DNA with proteins E. Loosely-packed DNA with proteins

Answer 2

Question

Chapter 11, Problem 6A

Summary Introduction

Introduction:

Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.

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Answer 3

Question

Chapter 11, Problem 6A

Summary Introduction

Introduction:

Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.

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Answer 4

Question

Chapter 11, Problem 6A

Summary Introduction

Introduction:

Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.

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Answer 5

Chapter 11, Problem 6A

Summary Introduction

Introduction:

Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.

Answer 6

Chapter 11, Problem 6A

Summary Introduction

Introduction:

Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.

Answer 7

Chapter 11, Problem 6A

Summary Introduction

Introduction:

Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 11 - In comparing somatic cells and gametes, somatic...Ch. 11 - What are homologous chromosomes? a. The two halves...Ch. 11 - Chiasmata form a. between homologous chromosomes....Ch. 11 - Crossing over involves each of the following with...Ch. 11 - During anaphase I a. sister chromatids separate...Ch. 11 - At metaphase I the kinetochores of sister...Ch. 11 - What occurs during anaphase of meiosis II? a. The...Ch. 11 - Which of the following does NOT contribute to...Ch. 11 - How does DNA replication differ between mitosis...Ch. 11 - Which of the following is NOT a distinct feature...

Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.

Solution Summary: The author explains that mutations affect DNA repair and meiosis because the proteins involved in the repair of double-strand breaks also take part in crossing over.

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Introduction:

Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.

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Chapter 11 Solutions

Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.

Solution Summary: The author explains that mutations affect DNA repair and meiosis because the proteins involved in the repair of double-strand breaks also take part in crossing over.

Concept explainers

Videos

Introduction: Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.

Want to see the full answer?

Chapter 11 Solutions

Introduction:

Crossing over occur at the time of chiasmata formation. Chiasmata is a point that is present in the homologous chromosomes that get exchanged between two strands. Although DNA repair is a mechanism that involve a protein causes the addition of nucleotides in DNA.