GENETIC ANALYSIS: AN INTEG. APP. W/MAS
2nd Edition
ISBN: 9781323142790
Author: Sanders
Publisher: Pearson Custom Publishing
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Chapter 17, Problem 23P
You have generated three transgenic lines of maize that are resistant to the European corn borer, a significant pest in many regions of the world. The transgenic lines (T
Explain these segregation ratios.
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To produce transgenic plants, plant tissue is exposed to Agrobacteriumtumefaciens and then grown in media containing kanamycin, carbenicillin, and plant growth hormones. Explain the purpose behind each of these three agents. What would happen if you left out the kanamycin?
You are cloning a gene called ice, which will help strawberry plants
survive in cold weather, into a test group of strawberry plants. Select
the events you would use to genetically engineer these plants.
Insert the ice gene into the T-DNA region of a Ti plasmid;
transform Agrobacterium tumefaciens with this plasmid; Inoculate a
culture of strawberry plant cells with Agrobacterium tumefaciens; Select
plant cells that have taken up the ice gene.
Insert the ice gene into the T-DNA region of the Agrobacterium
tumefaciens chromosome; Inoculate a culture of strawberry plant cells
with Agrobacterium tumefaciens; Select plant cells that have taken up
the ice gene.
O Insert the ice gene into a Ti transposon; Introduce the transposon
into Agrobacterium tumefaciens Ti plasmid: Inoculate a culture of
strawberry plant cells with Agrobacterium tumefaciens: Select plant cells
that have taken up the ice gene.
Insert the ice gene into a Ti bacteriophage; transduce Agrobacterium
tumefaciens with this…
DNA from a strain of bacteria with genotype a+ b+ c+ d+ e+ was isolated and used to transform a strain of bacteria that was a− b− c− d− e−. The transformants were tested for the presence of donated genes. The following genes were cotransformed:
a+ and d+ b+ and e+ c+ and d+ c+ and e+
What is the order of genes a, b, c, d, and e on the bacterial chromosome?
Chapter 17 Solutions
GENETIC ANALYSIS: AN INTEG. APP. W/MAS
Ch. 17 - 15.1 What purpose do the bla and lacZ genes serve...Ch. 17 - The human genome is 3109 bp in length. How many...Ch. 17 - 15.3 Ligase catalyzes a reaction between the...Ch. 17 - You have constructed four different libraries: a...Ch. 17 - Using the genomic libraries in Problem 4, you wish...Ch. 17 - The human genome is 3109bp. You wish to design a...Ch. 17 - 15.7 Using animal models of human diseases can...Ch. 17 - 15.8 Compare methods for constructing homologous...Ch. 17 - 15.9 Chimeric genefusion products can be used for...Ch. 17 - 15.10 Why are diseases of the blood simpler...
Ch. 17 - Injection of double-stranded RNA can lead to gene...Ch. 17 - Compare and contrast methods for making transgenic...Ch. 17 - 15.13 It is often desirable to insert cDNAs into a...Ch. 17 - 15.14 A major advance in the s was the development...Ch. 17 - 15.15 The bacteriophage lambda genome can exist in...Ch. 17 - 15.16 The restriction enzymes Xho and Sal cut...Ch. 17 - 15.17 The bacteriophage has a single-stranded DNA...Ch. 17 - 15.20 You have identified a cDNA clone that...Ch. 17 - You have isolated a genomic clone with an EcoR I...Ch. 17 - 15.18 To further analyze the CRABS CLAW gene (see...Ch. 17 - 15.21 You have isolated another cDNA clone of the...Ch. 17 - 15.22 You have identified five genes in S....Ch. 17 - You have generated three transgenic lines of maize...Ch. 17 - 15.24 Bacterial Pseudomonas species often possess...Ch. 17 - 15.25 Two complaints about some transgenic plants...Ch. 17 - 15.26 In Drosophila, lossoffunction Ultrabithorax...Ch. 17 - Prob. 27PCh. 17 - The highlighted sequence shown below is the one...Ch. 17 - The RAS gene encodes a signaling protein that...Ch. 17 - Vitamin E is the name for a set of chemically...Ch. 17 - 15.31 You have cloned a gene for an enzyme that...
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- a. Bacteriophage P22 was used in generalized transduction experiments to infect the Salmonella typhimurium donor strains described in the table below. The resulting phage lysates were then used to infect the S. typhimurium recipient strains listed in the table. In each cross, a phenotype was selected for one of the three genetic markers studied (str, aceA, thrA), and then replicates were performed to select the corresponding recombinants for the other two markers. The results are given in the following table: Recipient strain Selected phenotype Selected recombinants Donor strain str thrA aceAt thrA str aceA+ strs thrA+ aceA thrA+ str aceA Str Ace+ Str ThrA ThrA+ ThrA ThrA+ Ace Ace+ str: gene involved in streptomycin resistance, aceA: gene involved in the use of acetate as a carbon source, thrA: gene involved in the biosynthesis of threonine. Number 60 40 95 5 10 90 What are the selective media used in these three transduction experiments, on the one hand to obtain the selected…arrow_forwardScientists modified the tumor-inducing (Ti) plasmid, a naturally occurring plant plasmid found in Agrobacterium tumefaciens, to create a tool used to introduce any gene of interest into plant cells. They created a binary system because a single Ti plasmid is too large to be easily manipulated. One part of the system is a disarmed plasmid, and the second part is a transformation vector. The following sentences describe the function of key DNA elements in the system. Virulence region Genes for conjugative transfer Disarmed Ti plasmid (T-region removed) ori Kan selectable marker plant selectable marker constitutive promoter T-region conjugative transfer virulence Kan (bacterial selectable marker) Amp selectable marker Plant selectable marker (e.g., herbicide resistance) Constitutive promoter T-DNA left border Place the terms in the appropriate blanks to complete the sentences. Not all terms will be used. 3' transcriptional terminator MCS (inserted gene of interest) T-region Transformation…arrow_forwardThe temperature at which the primers and target DNA hybridize may be changed to influence the stringency of PCR amplification. What effect will changing the hybridization temperature have on the amplification? Let's say you have a certain yeast gene A and want to check whether it has a human equivalent. How might managing the hybridization's rigor benefit you?arrow_forward
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