Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 21.5, Problem 1CC
Describe three examples of errors in cellular processes that lead to DNA duplications.
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Chapter 21 Solutions
Campbell Biology (10th Edition)
Ch. 21.1 - Describe the whole-genome shotgun approach.Ch. 21.2 - Prob. 1CCCh. 21.2 - Explain the advantage of the systems biology...Ch. 21.2 - MAKE CONNECTIONS The ENCODE pilot project found...Ch. 21.2 - MAKE CONNECTIONS In Concept 20.2, you learned...Ch. 21.3 - The best estimate is that the human genome...Ch. 21.3 - Prob. 2CCCh. 21.3 - WHAT IF? What evolutionary processes might...Ch. 21.4 - Discuss the characteristics of mammalian genomes...Ch. 21.4 - VISUAL SKILLS Which of the three mechanisms...
Ch. 21.4 - Contrast the organizations of the rRNA gene family...Ch. 21.4 - MAKE CONNECTIONS Assign each DNA segment at the...Ch. 21.5 - Describe three examples of errors in cellular...Ch. 21.5 - Explain how multiple exons might have arisen in...Ch. 21.5 - What are three ways that transposable elements are...Ch. 21.5 - WHAT IF? In 2005, Icelandic scientists reported...Ch. 21.6 - Prob. 1CCCh. 21.6 - Prob. 2CCCh. 21.6 - Prob. 3CCCh. 21 - How did the Human Genome Project result in more...Ch. 21 - What has been the most significant finding of the...Ch. 21 - Compare genome size, gene number, and gene density...Ch. 21 - Explain how the function of transposable elements...Ch. 21 - How could chromosomal rearrangements lead to the...Ch. 21 - What type of Information can be obtained by...Ch. 21 - Bioinformatics intludes all of the following...Ch. 21 - Homeotic genes (A) encode transcription factors...Ch. 21 - Prob. 3TYUCh. 21 - DRAW IT Below are the amino acid sequences(using...Ch. 21 - EVOLUTION CONNECTION Genes important in the...Ch. 21 - scientific inquiry The scientists mapping the SNPs...Ch. 21 - Prob. 7TYUCh. 21 - SYNTHESIZE YOUR KNOWLEDGE Insects have three...
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- With detailed accounts of their various forms, explain any three of the following chromosomal aberrations: a) Deletions b) Duplications c) Translocations d)Inversionarrow_forwardDefine duplicationsarrow_forwardGenes with highly similar sequence are often located adjacent one another in the genome. Gene duplication commonly arises from errors in replication. When the organization of such adjacent genes is in an inverted orientation, this can reduce the expression of other genes that have similar sequence and are located on other chromosomes. Explain the mechanism of how this generally occurs. Please state the answer in details: what is the mechanism? How it happens? Why this happens? When it happens? And every other necessary information.arrow_forward
- describe a specific example of chromosome abnormality that leads to human cancers, such as leukemia, other than the Philadelphia chromosome that is derived from the translocation of chromosome 9 and 22arrow_forwardARVC5 is a disorder characterized by the replacement of healthy heart tissue with fatty fibrous tissue. Recent research has discovered the mutated gene that causes the disorder is on chromosome 3. People who have the mutation have a GCG triplet instead of the normal ACA triplet. The following is a section of a gene on chromosome 3: GGT GCG ACA ATT 1. Complete the following table. AA DNA sense strand DNA antisense strand GGT GCG ACA ATT mRNA tRNA 2. Indicate the change in the amino acid sequence resulting from the mutation in the gene described above., B I 123 ||| 14 E GO LG US X₂ x²arrow_forwardDistinguish among the following structural abnormalities in chromosomes: Translocations, deletions, and fragile sites.arrow_forward
- A reciprocal translocation occurs in an individual between chromosomes 4 and 18, and this translocation causes a disease in the individual. What is the most likely reason chromosome mutation causes a disease? a) The translocation causes a break in the chromosome in a gene regulatory region. b) Chromosomes with a translocation cannot replicate. c) An individual with a translocation has some genes duplicated. d) An individual with a translocation has some genes missing.arrow_forwardA girl and a boy were born to a young married couple. The girl is absolutely healthy. The examination of the boy's karyotype has shown 46 chromosomes. But one of the chromosomes of the 15th pair is longer than normal as a part of a chromosome from the 21st pair has joined it. How many autosomes and sex chromosomes are in the boy's karyotype? Name the type of the mutation. Is it possible to consider this pathology an inherited disorder?arrow_forwardWhy is the incidence of survivable genetic disorders involving deletions of parts of chromosomes so rare?arrow_forward
- What is the mechanism by which these designed nucleases cause a change in the genomic DNA sequence?arrow_forwardWhen a female melanotic fly is crossed with a normal male, the progeny are produced: 123 normal females, 125 melanotic females, and 124 normal males. In subsequent crosses between melanotic females and normal males, melanotic females are frequently obtained, but never any melanotic males. Provide a possible explanation for the inhertiacne of the melanotic mutation (Hint: The cross produces twice as many female progeny as male progeny)arrow_forwardSelect the statements below that are TRUE. Select 4 correct answer(s) Question 14 options: A) Mutations are induced to occur in response to a selective pressure. B) Crossover suppression occurs when no recombinant progeny are observed between two genes located within a homozygous paracentric inversion. C) The ends of each chromosome are replicated by an RNA-protein complex called telomerase. D) When a mismatched base pair occurs during DNA replication, mismatch repair corrects the mismatch by replacing the nucleotide on the template strand. E) Mutations occur spontaneously and so may be pre-existing in a population when a selective pressure arises. F) When two genes are linked, the frequency of recombinant types exceeds the frequency of parental types. G) The choice…arrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY