Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 18, Problem 9TYK
Summary Introduction
Introduction:
Restriction fragment length polymorphism (RFLP) is a molecular technique which is used to identify the differences in DNA (deoxyribonucleic acid) sequences between individuals. The restriction endonuclease is used for cutting the nucleotides at different restriction sites on the DNA, which differentiate bands between two individuals after electrophoresis.
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a）What two restriction sites are you going to use to clone your PCR product into the pL4440 plasmid? What are their DNA sequence?
b) State the primer sequence you will use to amplify the F27C1.7 gene ready to be cloned into the pL4440 plasmid?
c) How would you go about cloning this amplified DNA into pL4440? Using your knowledge of cloning list 5 important aspects of the method.
A. A plasmid is shown with the locations of various restriction enzyme sites labeled. If you cut the plasmid with Xhol and Xbal, which lane of the agarose gel represents the DNA fragments you would expect from the digestion?
B. If you now decide to cut the plasmid with EcoRI, how many fragments will be produced and what will their sizes be?
C. When running DNA samples on agarose gel, an electric field is applied. Towards which electrode will the DNA migrate and why?
in Cohen-Boyer's recombinant DNA procedure _______ must be used for both the bacterial DNA and the amphibian DNA _______.
a. the same restrictions enzyme, so that the the restriction site are identical in the DNA of each species
b. different restriction enzymes, so that the genes outside the restriction site are maintained
c. the same restriction enzymes, to ensure that the newly formed DNA can replicate
d. different restriction enzymes, to ensure that the newly introducted genes are maintained in the bacterial DNA
Chapter 18 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 18.1 - What features do restriction enzymes have in...Ch. 18.1 - Prob. 2SBCh. 18.1 - What information and materials are needed to...Ch. 18.2 - What is a transgenic organism?Ch. 18.2 - Prob. 2SBCh. 18.3 - What is a restriction fragment length polymorphism...Ch. 18.3 - Prob. 2SBCh. 18.3 - Prob. 3SBCh. 18 - Prob. 1TYKCh. 18 - Prob. 2TYK
Ch. 18 - Why are antibiotic resistance markers such as ampR...Ch. 18 - After a polymerase chain reaction (PCR), agarose...Ch. 18 - A cDNA and a cloned fragment of genomic DNA share...Ch. 18 - Prob. 6TYKCh. 18 - Which of the following is not true of somatic cell...Ch. 18 - Prob. 8TYKCh. 18 - Prob. 9TYKCh. 18 - Prob. 10TYKCh. 18 - Prob. 11TYKCh. 18 - Discuss Concepts A forensic scientist obtained a...Ch. 18 - 13. Suppose a biotechnology company has developed...Ch. 18 - Prob. 14TYKCh. 18 - You learned in the chapter that an STR locus is a...
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- Put the following tasks in the order they would occur during a DNA cloning experiment. a. using DNA ligase to seal DNA fragments into vectors b. using a probe to identify a clone in the library c. sequencing the DNA of the clone d. making a DNA library of clones e. cutting genomic DNA with restriction enzymesarrow_forwardRestriction enzymes cut double-stranded DNA _____. a. at noncoding areas between genes b. between bacterial and viral DNAs c. at specific base sequences d. between purines and pyrimidines e. between promoter and operator DNA sequencesarrow_forwardWhich of the following is necessary for a PCR reaction to proceed? a) the sequence of the ends of the DNA to be amplified must be known. b) the sequence of restriction endonuclease recognition sites in the DNA to be amplified and in the plasmid, where the amplified DNA fragment will be cloned must be known. c) The complete sequence of the DNA to be amplified must be known. d) The sequence of restriction endonuclease recognition sites in the DNA to be amplified must be knownarrow_forward
- Describe the possible outcome of a PCR experiment in which (a) there is a single-stranded break in the target DNA sequence, which is present in only one copy in the starting sample, and (b) there is a doublestranded break in the target DNA sequence, which is present in only one copy in the starting sample.arrow_forwardSNP-chips are used ____. a. with short tandem repeat profiling b. to sequence DNA. c. in PCR d. for full genome sequencing e. in DNA profilingarrow_forwardA small DNA molecule was cleaved with several different restriction nucleases, and the size of each fragment was determined by gel electrophoresis.The following data were obtained. (a) Is the original molecule linear or circular?(b) Draw a map of restriction sites (showing distances between sites) that isconsistent with the data given.(c) How many additional maps are compatible with the data?(d) What would have to be done to locate the cleavage sites unambiguouslywith respect to each other?arrow_forward
- Below are gel electrophoresis results for initial and nested PCR of the Shrimp Plant. Use the results to answer these questions: a) Why does the Arabidopsis control generate two PCR bands, but the plasmid control only generates one PCR band? b) Did the negative control generate a PCR product? If so, what are the implications of this for the experiment? c) Would you use this nested PCR product from Shrimp Plant for cloning? Briefly explain your answerarrow_forwardRestriction maps illustrate the lengths of DNA fragments between restriction sites. Which of the following information can be gathered from the analysis of restriction maps? Select all that apply. a gene sequence b presence of mutations c nucleotide sequence d disease identificationarrow_forwardthe most efficient general strategy for whole genome sequencing is ? (a) double the coding sequence after sequencing the proteins (b) shotgun sequence and assemble based on overlaps (c) identify mutations that affect glycolysis (d) obtain recombinant DNA clone maps before starting the sequencing (e) obtain comprehensive SNP maps before determining the order of DNA clonearrow_forward
- which of the following do researchers not need to use during vector cloning? a. a plasmid containing selectable marker genes such as beta galactosidase or ampicillin resistance genes. b. restriction enzymes. c. DNA polymerase d. a growth medium with carefully selected ingredients that take advantage of selectable markers. e. none of the above.arrow_forwardBriefly compare (a) restriction enzymes, (b) engineered nucleases and (c) CRISPR-Cas in terms of their origin, nature, and mechanism.arrow_forwardWhat are the sticky ends of the restriction fragments? Select one: a. The surfaces of sticky ends contain matching base pairs, allowing fragments to splice. b. The surfaces of sticky ends have glue like substance that allow fragments to splice. c. The surfaces of sticky ends contain the exact same nucleotides, allowing fragments to bond. d. The surfaces of sticky ends have velcro like structure, allowing fragments to bond.arrow_forward
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