Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
10th Edition
ISBN: 9780133922851
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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Chapter 21.5, Problem 3CC
What are three ways that transposable elements are thought to contribute to genome evolution?
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Chapter 21 Solutions
Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (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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- What are transposable or mobile DNA elements?arrow_forwardWhat is a nucleosome-free region? Where are such regions typically found in a genome? How are nucleosome-free regions thought to be functionally important?arrow_forwardWhile characterizing a mutation in a gene of interest, you discover that the mutation involves an insertion within the coding sequence of the gene. You suspect that the inserted sequence is a transposon and would like to determine which of the three major transposon families it belongs to. What sequence elements could be looked for within the inserted sequence that would help place it in one of the three families?arrow_forward
- Although DNA transposons are abundant in the genomes of multicellular eukaryotes, class 1 elements usually make up the largest fraction of very large genomes such as those from humans (~2500 Mb), maize (~2500 Mb), and barley (~5000 Mb). Given what you know about class 1 and class 2 elements, what is it about their distinct mechanisms of transposition that would account for this consistent difference in abundance?arrow_forwardWhen an EcoR1 fragment, which represents the coding region of a human gene X, is cloned into the EcoR1 site upstream of the coding region of a prokaryotic gene (such as GST) (i.e., to make a X-GST fusion protein), what is the chance of an in-frame fusion? Please draw a diagram to explain your answer. Do you need to delete the stop codon of the X gene coding region before fusing it to the GST coding region? Please draw a diagram to explain your answer. Notes: It is NOT known which strand of the human gene X is the template strand for transcription. 2) Both X and GST protein fragments must be produced correctly)arrow_forwardNonfunctional HexA protein is responsible for the autosomal recessive disease Tay Sachs. A patient with Tay Sachs produces a normal amount of full length but non-functional HexA protein. Of the choices below, what is the most likely type of mutation responsible for the disease? a) base substitution in an intron 5' splice site b) frameshift in an exon c) missense in an exon d) base substitution in an enhancer regionarrow_forward
- What is the mechanism by which these designed nucleases cause a change in the genomic DNA sequence?arrow_forwardMutations in the CFTR gene result in cystic fibrosis in humans, a conditions in which abnormal secretions are present in the lungs, pancreas, and sweat glands. The gene was mapped to a 500-kb region on chromosome 7 containing 3 candidate genes. a)Using your knowledge of the disease symptoms, how would you distinguish between the candidate genes to decide which is most likely to encode the CFTR gene? b)How would you prove that your chosen candidate is the CFTR gene?arrow_forwardYour advisor, a brilliant bioinformatician, has high regard for your intellect and industry. she suggests that you write a computer program that will identify the exons of protein- coding genes directly from the sequence of the human genome. In preparation for that task, you decide to write down a list of the features that might distinguish protein- coding sequences from intronic DNA and from other sequences in the genome. What features would you list?arrow_forward
- In a study showing that approximately 10% of protein-coding genes are essential for Cell survival .This translates into which of the following number of essential genes in the human genome .a)100 b) 500 c)1000 d)2000arrow_forwardIn genetic transformation, what is meant by the wordcompetence?arrow_forwardWhat are site-recombinases? Describe in detail how cre- recombinase can be used to decipher the roles of specific genes and proteins in complex multicellular organisms? Explain how the cre-lox system can be used to examine the role of a particular gene in a specific type of tissue?arrow_forward
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