Whether all the somatic cells have equal numbers of maternal and paternal centromeres in an organism. Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle . G 1 phase, S phase, G 2 phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism. In the given organism, chromosomes contributed by the sperm have cytological markers in order to visually distinguish them from chromosomes contributed by the egg.

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Answer 1

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Chapter 25, Problem 25.4PS

(a)

Summary Introduction

To determine: Whether all the somatic cells have equal numbers of maternal and paternal centromeres in an organism.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism. In the given organism, chromosomes contributed by the sperm have cytological markers in order to visually distinguish them from chromosomes contributed by the egg.

(b)

Summary Introduction

To explain: Whether the number of maternal and paternal centromeres in each gamete produced by an individual will be equal or not.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism.

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Students have asked these similar questions

a. Manually, using a pencil, draw a cell in anaphase II from an organism in which 2n = 2 and each chromosome is metacentric. b. Given that each G1 nucleus from this organism contains 16 picograms of DNA, how many picograms of chromosomal DNA would you expect in the cell shown here?

Somatic cells of chimpanzees contain 48 chromosomes. During metaphase I of meiosis, a chimpanzee cell will contain ____ chromosomes, ______ chromatids, and _______ bivalents. Fill in each blank with the appropriate number (e.g., 48).

In a turtle species, a diploid cell in the G1 phase of the cell cycle contains 22 picograms of DNA (picogram is a measure of the total mass of the DNA present). How much DNA is present in a cell of the same species at prophase II of meiosis (prophase of the second meiotic division)?

Answer 2

Question

Chapter 25, Problem 25.4PS

(a)

Summary Introduction

To determine: Whether all the somatic cells have equal numbers of maternal and paternal centromeres in an organism.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism. In the given organism, chromosomes contributed by the sperm have cytological markers in order to visually distinguish them from chromosomes contributed by the egg.

(b)

Summary Introduction

To explain: Whether the number of maternal and paternal centromeres in each gamete produced by an individual will be equal or not.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism.

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Answer 3

Question

Chapter 25, Problem 25.4PS

(a)

Summary Introduction

To determine: Whether all the somatic cells have equal numbers of maternal and paternal centromeres in an organism.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism. In the given organism, chromosomes contributed by the sperm have cytological markers in order to visually distinguish them from chromosomes contributed by the egg.

(b)

Summary Introduction

To explain: Whether the number of maternal and paternal centromeres in each gamete produced by an individual will be equal or not.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism.

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Answer 4

Question

Chapter 25, Problem 25.4PS

(a)

Summary Introduction

To determine: Whether all the somatic cells have equal numbers of maternal and paternal centromeres in an organism.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism. In the given organism, chromosomes contributed by the sperm have cytological markers in order to visually distinguish them from chromosomes contributed by the egg.

(b)

Summary Introduction

To explain: Whether the number of maternal and paternal centromeres in each gamete produced by an individual will be equal or not.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism.

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Answer 5

Chapter 25, Problem 25.4PS

(a)

Summary Introduction

To determine: Whether all the somatic cells have equal numbers of maternal and paternal centromeres in an organism.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism. In the given organism, chromosomes contributed by the sperm have cytological markers in order to visually distinguish them from chromosomes contributed by the egg.

(b)

Summary Introduction

To explain: Whether the number of maternal and paternal centromeres in each gamete produced by an individual will be equal or not.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism.

Answer 6

Chapter 25, Problem 25.4PS

(a)

Summary Introduction

To determine: Whether all the somatic cells have equal numbers of maternal and paternal centromeres in an organism.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism. In the given organism, chromosomes contributed by the sperm have cytological markers in order to visually distinguish them from chromosomes contributed by the egg.

Answer 7

Chapter 25, Problem 25.4PS

(a)

Summary Introduction

To determine: Whether all the somatic cells have equal numbers of maternal and paternal centromeres in an organism.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism. In the given organism, chromosomes contributed by the sperm have cytological markers in order to visually distinguish them from chromosomes contributed by the egg.

Answer 8

(b)

Summary Introduction

To explain: Whether the number of maternal and paternal centromeres in each gamete produced by an individual will be equal or not.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism.

Answer 9

(b)

Summary Introduction

To explain: Whether the number of maternal and paternal centromeres in each gamete produced by an individual will be equal or not.

Introduction: The DNA is duplicated, and the cytoplasm and the organelles are divided into two daughter cells through various events which take place in a cell cycle. G₁ phase, S phase, G₂ phase, and M phase are the four major phases which take place in a cell cycle of a eukaryotic cell. Generation of haploid gametes in sexual reproduction of eukaryotes is done by a process called meiosis. An organism having a paired set of chromosomes is known as a diploid organism.

Answer 10

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Answer 12

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Answer 13

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Solution Summary: The author explains that the number of maternal and paternal centromeres in each gamete produced by an individual is equal.

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