Genetic Analysis: An Integrated Approach (3rd Edition)
3rd Edition
ISBN: 9780134605173
Author: Mark F. Sanders, John L. Bowman
Publisher: PEARSON
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Chapter 14, Problem 24P
How would you clone a gene that you have identified by a mutant
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If you wanted to analyze the size and abundance of the HOAP protein in an extract from a Drosophila animal that you think may be mutant for the HOAP gene, what method could you use to target your analysis specifically to the HOAP protein in that extract?
Geneticists often use the alkylating agent ethylmethane sulfonate (EMS; see Figure 15.6) to induce mutations in Drosophila. Why is EMS a mutagen of choice for genetic research? What would be the effects of EMS in a strain of Drosophila lacking functional mismatch repair systems?
Draw a basket mutant embryo. What does basket encode? Why do the mutant embryos have this phenotype?
Chapter 14 Solutions
Genetic Analysis: An Integrated Approach (3rd Edition)
Ch. 14 - 14.1 What are the advantages and disadvantages of...Ch. 14 - Prob. 2PCh. 14 - Discuss the similarities and differences between...Ch. 14 - 14.5 What are the advantages and disadvantages of...Ch. 14 - 14.6 You have cloned the mouse ortholog (see...Ch. 14 - 14.7 Diagram the mechanism by which CRISPRCas...Ch. 14 - 14.8 Describe how CRISPRCas has been modified to...Ch. 14 - 14.9 Discuss the advantages (and possible...Ch. 14 - 14.10 Discuss the advantages (and possible...Ch. 14 - You have identifies a gene encoding the protein...
Ch. 14 - You have identified a recessive mutation that...Ch. 14 - 14.13 The CBF genes of Arabidopsis are induced by...Ch. 14 - 14.14 When the S. cerevisiae genome was sequenced,...Ch. 14 - 14.15 Translational fusions between a protein of...Ch. 14 - 14.16 In humans, Duchenne’s muscular dystrophy is...Ch. 14 - 14.17 How would you perform a genetic screen to...Ch. 14 - In enhancer trapping experiments, a minimal...Ch. 14 - 14.19 In Genetic Analysis, we designed a screen to...Ch. 14 - How would you design a genetic screen to find...Ch. 14 - 14.21 The eyes of Drosophila develop from imaginal...Ch. 14 - 14.22 Given your knowledge of the genetic tools...Ch. 14 - Mutations in the CFTR gene result in cystic...Ch. 14 - 14.24 How would you clone a gene that you have...Ch. 14 - 14.25 How would you conduct a screen to identify...Ch. 14 - In land plants, there is an alternation of...Ch. 14 - 14.27 The Drosophila evenskipped (eve) gene is...Ch. 14 - Prob. 28PCh. 14 - 14.29 As shown in Figure, mutations in the...Ch. 14 - How would you edit a specific nucleotide in a...Ch. 14 - Through a forward genetics screen in Arabidopsis...Ch. 14 - The CRISPR - Cas 9 complex directs the Cas 9...Ch. 14 - 14.33 Describe how enhancer screens can be used to...Ch. 14 - How might you use CRISPR - Cas 9 to create a large...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Most organisms display a circadian rhythm, a cycling of biological processes that is roughly synchronized with day length. In Drosophila, pupae eclose (emerge as adults after metamorphosis) at dawn. a)Using this knowledge how would screen for Drosophila mutants that have an impaired circadian rhythm? b)In each case, how would you clone the genes you identified by mutation?arrow_forwardDescribe how you would use replica plating of mutagenized, haploid yeast cells to identify temperature-sensitive (ts) mutations in essential genes needed for yeast growth and survival.arrow_forwardGeneticists often use ethylmethane sulfonate (EMS) to induce mutations in Drosophila. Why is EMS a mutagen of choice for genetic research? What would be the effects of EMS in a strain of Drosophila lacking functional mismatch repair systems?arrow_forward
- How do we know that the mutant Bar-eye phenotype in Drosophila is due to a duplicated gene region rather than to a change in the nucleotide sequence of a gene?arrow_forwardWhat is inverse PCR? How are we going to use inverse PCR to help figure out the molecular location of the EP element on Drosophila melanogaster flies?arrow_forwardYou want to clone a eukaryotic gene and express the corresponding protein in yeast. However, the protein typically localizes within mitochondria. How will you perform your gene cloning so that the protein is secreted from the cell, rather than localized within yeast mitochondria?arrow_forward
- How would you devise a screen to identify recessive mutations in Drosophila that result in embryo lethality? How would you propagate the recessive mutant alleles?arrow_forwardWhat is a Paralog and How do you identify a paralogous gene?arrow_forwardNorthern blotting, RT-PCR, and microarrays can be used to analyze gene expression. A lab studies yeast cells, comparing their growth in two different sugars, glucose and galactose. One student is comparing expression of the gene HMG2 under these two conditions. Which technique(s) could he use and why? Another student wants to compare expression of all the genes on chromosome 4, of which there are approximately 800. What technique(s) could she use and why?arrow_forward
- Expression of recombinant proteins in yeast is an important tool for biotechnology companies that produce new drugs for human use. In an attempt to get a new gene X expressed in yeast, a researcher has integrated gene X into the yeast genome near a telomere. Will this strategy result in good expression of gene X? Why or why not? Would the outcome of this experiment differ if the experiment had been performed in a yeast line containing mutations in the H3 or H4 histone tails?arrow_forwardIn contrast with the genomic manipulations of animals and plants described in this chapter, human genetherapy is directed specifically at altering the genomes of somatic cells rather than germ-line cells.Why couldn’t or wouldn’t medical scientists try to alter the genome of human germ-line cells?arrow_forwardDescribe how P elements are used to producetransgenic Drosophila.arrow_forward
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