Campbell Essential Biology (7th Edition)
7th Edition
ISBN: 9780134765037
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 8, Problem 12IMT
Summary Introduction
To determine:
The evident major theme for the statement given in the book “passing along genetic instructions from one generation to the next requires precise duplication of the chromosomes” and also explain how the statement relates to the theme.
Introduction:
In eukaryotic cells, the genetic information is stored in the membrane-bound organelle called the nucleus. Hershey and Chase experiment proved that the genetic material (DNA) is passed on from one generation to another, that is, from parents to offspring.
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Chromosomes pass genetic information from one cell to another in cell generation.
(j) Explain the relationship between DNA, genes, and chromosomes during the passing of genetic information.
(k) During the passing of genetic information from one generation to the next via chromosomes, nondisjunction can occur, interrupting the process. Describe the events that take place during nondisjunction.
(a) Explain the relationship between DNA, genes, and chromosomes during the passing of genetic information.
(b) During the passing of genetic information from one generation to the next via chromosomes, nondisjunction can occur, interrupting the process. Describe the events that take place during nondisjunction.
All the cells of one organisms share the genome. However, during development, some cells develop into skin cells while others develop into muscle cells. How can the same genetic instructions result in two different cell types in the same organism? Thoroughly explain your answer.
Chapter 8 Solutions
Campbell Essential Biology (7th Edition)
Ch. 8 - Which of the following is not a function of...Ch. 8 - In what sense are the daughter cells produced by...Ch. 8 - Why is it hard to observe individual chromosomes...Ch. 8 - A biochemist measures the amount of DNA in cells...Ch. 8 - What phases of mitosis are opposite in terms of...Ch. 8 - Complete the following table to compare mitosis...Ch. 8 - If an intestinal cell in a dog contains 78...Ch. 8 - A micrograph of a dividing cell from a mouse shows...Ch. 8 - Prob. 9SQCh. 8 - Prob. 10SQ
Ch. 8 - Although nondisjunction is a random event, there...Ch. 8 - Prob. 12IMTCh. 8 - Prob. 13IMTCh. 8 - For each statement, identify which major theme is...Ch. 8 - A mule is the offspring of a horse and a donkey. A...Ch. 8 - You prepare a slide with a thin slice of an onion...Ch. 8 - Interpreting Data The graph shows the incidence of...Ch. 8 - If an endangered species can reproduce by...Ch. 8 - Every year, about a million Americans are...Ch. 8 - The practice of buying and selling gametes,...Ch. 8 - Prob. 21BS
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- All the cells of one organism share the same genome. However, during development, some cells develop into skin cells while others develop into muscle cells. Briefly explain how the same genetic instructions can result in two different cell types in the same organism.arrow_forward39 The structures labelled A and B in the image below represent: СТАААТСGGT. Allele for red flowers B Enzyme A Allele for white flowers One allele sufficient to ATAAATCGGT produce half the pigment Select one alternative: O the locus for flower colour; a red flower the locus for flower colour; a white flower O non-homologous chromosomes; a red flower O homologous chromosomes; a pink flowerarrow_forward1.B Which of the following processes takes place in the cytoplasm? - DNA replication - transcription -intron removal -translation -primary mRNA splicing 1.C For a DNA strand that is two nucleotides long, how many different sequences are possible? -2 -4 -8 -16 -64 1.D Which of the following is mismatched? A)physical expression of a trait - phenotype B)allele that masks the expression of an alternate allele - dominant C)identical alleles - heterozygous D)allele whose expression can be masked by an alternate allele recessive E)the specific alleles that an individual has - genotypearrow_forward
- 4. 16B (Eukaryotes): Describe 4 factors that differentiate eukaryotic chromosomes/genome from a prokaryotic chromosome/genome. 5. Compare/contrast 4 differences between Eukaryotic and Prokaryotic GENE structure & gene EXPRESSION (including regulatory sequences).arrow_forwardView this video. List at least eight (8) different processes that affect the structure of the chromosomes. Explain in a sentence how each process happens. https://www.youtube.com/watch?v=7_p14l8gPhkarrow_forwardDNA contains the genetic information that controls all processes of heredity in a cell. The total length of all DNA in the cells of a human body can stretch to the moon and back four times.The terms that describe a length of DNA and the form in which it remains for most of its life, respectively are: Select one: a. Length of DNA Form in which it spends most of its time life Centromere Locus b. Length of DNA Form in which it spends most of its time life Chromosome Chromatin c. Length of DNA Form in which it spends most of its time life Chromosome Centromere d. Length of DNA Form in which it spends most of its time life Centromere Telomerearrow_forward
- Consider the diagram below and answer the following questions: The image shows [Select] chromosome(s). • How many chromosomes are shown in the image? [Select] Which term best describes what is shown by the bracket labeled "a"? [Select] D If the image does not load, make sure you are using Chrome and then refresh your browser.arrow_forwardThe continuity of life depends on a cell cycle during which genetic information is passed from a parent cell to daughter cells. Because cell division plays several important roles in life, it is important that the cycle be regulated. Which of the following are reasons the cell cycle must be regulated? Select all that apply. The continuity of life depends on a cell cycle during which genetic information is passed from a parent cell to daughter cells. Because cell division plays several important roles in life, it is important that the cycle be regulated.Which of the following are reasons the cell cycle must be regulated? Select all that apply.[ ]To make sure cells only divide when conditions are favorable for growth and development of the organism[ ]To make sure daughter cells end up with the right number of chromosomes[ ]To make sure daughter cells are genetically different from the parent cell[ ]To allow cells to respond to cues from their internal state and from their environment.arrow_forwardExplain the hierarchical relationships among the following: genomes, genes, nucleosomes, chromosomes, and chromatin.arrow_forward
- Copyright 2006 Nature Publishing Group Nature Reviews | Genetics Copyright © 2006 Nature Publishing Group Nature Reviews | Genetics The microscope image above shows the human chromosomes from a white blood cell. To create the image, researchers put cells in culture under conditions that encourage the cells to divide. They bathed the cells in a hypotonic (low salt) solution, which caused the cells to swell until their plasma membrane burst open. They "squashed" the chromosomes to spread them out, and stained them with a dye to make them visible under the microscope. Human chromosomes are numbered from longest (1) to shortest (22) plus the sex chromosomes X and Y. In the image chromosome 1 is about 7 micrometers. Answer the following questions. 1) What word(s) in the description above indicates that the chromosomes are not from a cell undergoing meiosis? 2) Based on the size, shape and appearance of the chromosomes in the image, in what cell cycle stage was the cell that the chromosomes…arrow_forwardGive at least three (3) importance of these tools in genetic engineering in the advancement of cell and molecular biology in the following fields: a. Food b. Medicine c. Agriculturearrow_forward1. What is a gene? 2. Where do genes reside in the cell? 3. What do genes produce? Use these sites to find the answer: https://genetics.thetech.org/about-genetics/how-do-genes-work https://ghr.nlm.nih.gov/primer/basics/genearrow_forward
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