Genetics: From Genes to Genomes
Genetics: From Genes to Genomes
6th Edition
ISBN: 9781259700903
Author: Leland Hartwell Dr., Michael L. Goldberg Professor Dr., Janice Fischer, Leroy Hood Dr.
Publisher: McGraw-Hill Education
bartleby

Videos

Textbook Question
Book Icon
Chapter 18, Problem 22P

Scientists now routinely use CRISPR/Cas9 to make defined deletions of a gene that can remove several kb of DNA from the genome. This method is possible even in cells defective in homologous recombination, as long as the cells can still perform nonhomologous end-joining (NHEJ).

a. How could researchers make such deletions?
b. A GM animal that may be approved for human consumption by the time this book is published is a “supermuscly” pig made by inactivation of the myostatin gene. During normal development, Myostatin protein prevents the overgrowth of muscles. Given your answer to part (a), how could the supermuscly pig have been generated?
Blurred answer
Students have asked these similar questions
What is homologous recombination and where/when does it typically take place in an organism. Homologous recombination is also used experimentally during gene targeting. If you wanted to remove the function of the mouse gene fibroblast growth factor 4 (FGF4) using gene targeting by homologous recombination, what are the different aspects of a targeting vector you would need to make?
If conjugation has occurred between the provided E. coli strains I and II, what might we expect to see in the resulting bacteria (i.e., the recombinant)? Select ALL that are feasible. Hint: Consider the possibility that extrachromosomal genes (i.e., on the plasmid) have been transferred or genes originally present on the bacterial chromosome (indeed possible!) have been transferred. A. Recombinant bacteria that are resistant to Amp and Str B. Recombinant bacteria that are resistant to Amp and Nal C. Recombinant bacteria that are resistant to Nal and Str D. Recombinant bacteria that are resistant to Str only E. Recombinant bacteria that are resistant to Nal only My answer is only A. Is my answer is correct?
The drawing below depicts a restriction map of a segment of a human chromosome. The cut sites shown (1 through 6) are known to be polymorphic and can be present or absent sending upon the genetic makeup of a specific individual's chromosomes. E identifies Eco RI sites and P identifies Pst 1 sites. The line below the map identifies the region of homology between the DNA and a probe used in Southern blot analyses to characterize this region.  A. Individual 1 has restriction sites 1-6 (all) on both copies of this chromosome. If DNA from this individual was digested with Pst I, what are the sizes of the fragments that would be detected via Southern blow using the identified probe? B. DNA from individual 1 is digested with both Eco RI and Pst I and then analyzed by Southern blot. What bands are revealed? C. Individual 2 is homozygous for a polymorphism that eliminates site 3. If DNA from this individual was ingested with both Pst I and Eco RI, what are the sizes of the fragments that would…

Chapter 18 Solutions

Genetics: From Genes to Genomes

Knowledge Booster
Background pattern image
Biology
Learn more about
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
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Human Heredity: Principles and Issues (MindTap Co...
Biology
ISBN:9781305251052
Author:Michael Cummings
Publisher:Cengage Learning
DNA Use In Forensic Science; Author: DeBacco University;https://www.youtube.com/watch?v=2YIG3lUP-74;License: Standard YouTube License, CC-BY
Analysing forensic evidence | The Laboratory; Author: Wellcome Collection;https://www.youtube.com/watch?v=68Y-OamcTJ8;License: Standard YouTube License, CC-BY