PEARSON ETEXT FOR CAMPBELL BIOLOGY
12th Edition
ISBN: 9780135988046
Author: Urry
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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Discuss the following types of mutations, with reference to specific genetic disorders: i) Chromosomal deletion; ii) Reciprocal translocation; and iii) Haploinsufficiency
Explain two ways that a chromosomal rearrangement can cause a position effect.
With detailed accounts of their various forms, explain any three of the following chromosomal aberrations:
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Chapter 21 Solutions
PEARSON ETEXT FOR CAMPBELL BIOLOGY
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 - Prob. 3CCCh. 21.2 - MAKE CONNECTIONS In Concept 20.2, you learned...Ch. 21.3 - The best estimate is that the human genome...Ch. 21.3 - The Genomes Online Database (GOLD) Website of the...Ch. 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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- What occurs during duplication chromosomal mutation?arrow_forwardPlease explain why chromosomal inversions are less detrimental to the organism than a duplication event.arrow_forwardEach of the four types of structural chromosomal mutations is illustrated below. Label each picture with the type of chromosomal mutation that has occurred.arrow_forward
- Define duplicationsarrow_forwarddescribe 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_forward
- Distinguish between a chromosomal deletion and duplication.arrow_forwardA 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_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY