Crisper-Cas9 was used to increase resistance to Citrus Canker disease. This was achieved by: A. Targeting...
Crisper-Cas9 was used to increase resistance to Citrus Canker disease. This was achieved by:
A. Targeting Cas9 to the promoter of the CsLOB1 gene, and changing the sequence by homologous recombination repair.
B. Targeting Cas9 to the promoter of the CsLOB1 gene and changing the sequence by non-homologous end joining repair.
C. Targeting Cas9 to the CsLOB1 open reading frame and changing the sequence by homologous recombination repair.
D. Targeting Cas9 to the CsLOB1 open reading frame and changing the sequence by non-homologous end joining repair.
Homework Answers
b. Targeting Cas9 to the promoter of the CsLOB1 gene and changing the sequence by non-homologous end joining repair.
Crisper-Cas9 was used to increase resistance to Citrus Canker disease by targeting Cas9 to the promoter of the CsLOB1 gene and changing the sequence by non-homologous end joining repair.
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Crisper-Cas9 was used to increase resistance to Citrus Canker
disease. This was achieved by:
A. Targeting...
4. The CRISPR-Cas9 system is an important new technique in molecular biology. What is the natural...
4. The CRISPR-Cas9 system is an important new technique in
molecular biology. What is the natural function of this system?
Describe how you would use this system to generate a null mutation
in another organism (i.e. explain Figure 6-43). How does it work?
What is the modification of the method that allows for correction
of a mutation (e.g. the mouse crystalline gene)? And lastly, what
are the problems with the CRISPR system?
FIGURE 6-43 Single-nucleotide mutations
can be introduced into...
Question 7 (1 point) CRISPR/Cas9 is often used to make mutations in zebrafish. Which statement is...
Question 7 (1 point) CRISPR/Cas9 is often used to make mutations in zebrafish. Which statement is most correct? Capping the sgRNA is essential for its stability. The Cas9 mRNA is is used to target the native Cas9 protein to the locus to be mutated. the sgRNA uses DICER to cut up a the twenty nucleotide target region of the DNA, starting at the 3-prime end. O neomycin is used to select the cells that inherit the Cas9 insertion. O the...
5. About double strand DNA repair, it is correct to say that choose the most appropriate answer):
5. About double strand DNA repair, it is correct to say that choose the most appropriate answer): (a) It requires one intact strand as a template for error correction. (b) Mismatches in the DNA are usually corrected via double strand DNA repair mechanisms. (c) Homologous recombination usually results in DNA repair with no loss of nucleotide at repair site. (d) Non-homologous end-joining usually results in DNA repair with no loss of nucleotide at repair site. 6. A eukaryote gene has two introns and three exons....
please help answer these questions 3. What are the similarities, differences, advantages, and disadvantages of CRISPR-based...
please help answer these questions
3. What are the similarities, differences, advantages, and disadvantages of CRISPR-based gene editing versus Zinc-finger nucleases and TALENS? 4. What is crRNA and what does it do? 5. What is tracrRNA and what does it do? 6. What is the PAM sequence and what is its significance? 7. What can nuclease-deficient Cas9 (acas) proteins be used for? 8. You want to insert DNA encoding an epitope tag to the end of a specific gene you...
Which of the following statements is FALSE about double-strand breaks (DSBs)? A. Non-homologous end-joining between the...
Which of the following statements is FALSE about double-strand breaks (DSBs)? A. Non-homologous end-joining between the ends of two DSBs can create inversions or translocations. B. Spo11-mediated DSBs initiate meiotic recombination. C. Unrepaired DSBs are lethal to a cell. D. Unrepaired DSBs trigger a checkpoint that arrests cells in G2. E. Cas9 can be targeted to make a DSB at a specific genomic sequence by annealing a small piece of single-stranded DNA that is complementary to the cut site.
omework Part D-Question 94 CRISPR-Cas9 can be used to 1:59 PM disable genes O fix disease...
omework Part D-Question 94 CRISPR-Cas9 can be used to 1:59 PM disable genes O fix disease genes O add new genes O remave existing genes rk - watch two vidoo change gene sequences Submit My Answers Give Up Incorrect; Try Again; 5 attempts remaining ology Part E·Question #5 How does the CRISPR-Cas9 system speofically target DNA sequences n. All rights reserved licy Permissions O It make specific recombinant DNA sequences that match the target O It degrades the ONA from...
What complications might arise from genetic screens targeting an organ that differentiates late in development? A....
What complications might arise from genetic screens targeting an organ that differentiates late in development? A. The DNA of late development genes is usually highly condensed and thus inaccessible for mutagenesis. b. Genes controlling adult structures can be important in earlier stages of development, and their mutations may be lethal and thus hidden from observation. c. The sequence of late development genes is highly variable, so it is difficult to obtain loss-of-function mutant phenotypes. When the S. cerevisiae genome was...
1. You are a scientist studying a rare heritable disease, Pitt-Hopkins syndrome. This disease is caused...
1. You are a scientist studying a rare heritable disease, Pitt-Hopkins syndrome. This disease is caused by mutations in the basic helix-loop-helix transcription factor, TCF4. You sequence the TCF4 gene in your patients and identify several sequence variants. a) The TCF4 coding region and sites of mutations for several patients are shown here (lines between codons indicate the open reading frame). For each patient, identify the impact of the mutation on the coding sequence (1 mark each) and the likely...
3. The Belgian Blue cattle is a bovine species whose genome has been genetically honed for...
3. The Belgian Blue cattle is a bovine species whose genome has been genetically honed for a faulty myostatin gene that is responsible for enormous bulk muscling. This defect was carefully passed on through rounds of intentional mating between Belgian Blues with the myostatin gene in a process best described as: a. transgenesis b. genetic modification c. selective breeding d. natural selection e. gene amplification 4. TALENs, CRISPR/Cas9, and Zinc Finger Nucleases are all examples of: a. genome editing techniques...
Question 7 2 pts Which of these genes would not likely be regulated by the bacterial...
Question 7 2 pts Which of these genes would not likely be regulated by the bacterial SOS response?! Translesion DNA polymerase Cell division promoter Holliday junction branch migration enzyme Nucleotide excision repair enzyme Question 8 2 pts Which of these mutations is likely to have the greatest impact on the amino acid composition of the resulting protein? Silent Synonymous Frameshift Missense Question 9 2 pts What would be the result of perfect and continuous suppression of the lac operon in...
4. The CRISPR-Cas9 system is an important new technique in
molecular biology. What is the natural function of this system?
Describe how you would use this system to generate a null mutation
in another organism (i.e. explain Figure 6-43). How does it work?
What is the modification of the method that allows for correction
of a mutation (e.g. the mouse crystalline gene)? And lastly, what
are the problems with the CRISPR system?
FIGURE 6-43 Single-nucleotide mutations
can be introduced into...
Question 7 (1 point) CRISPR/Cas9 is often used to make mutations in zebrafish. Which statement is most correct? Capping the sgRNA is essential for its stability. The Cas9 mRNA is is used to target the native Cas9 protein to the locus to be mutated. the sgRNA uses DICER to cut up a the twenty nucleotide target region of the DNA, starting at the 3-prime end. O neomycin is used to select the cells that inherit the Cas9 insertion. O the...
please help answer these questions
3. What are the similarities, differences, advantages, and disadvantages of CRISPR-based gene editing versus Zinc-finger nucleases and TALENS? 4. What is crRNA and what does it do? 5. What is tracrRNA and what does it do? 6. What is the PAM sequence and what is its significance? 7. What can nuclease-deficient Cas9 (acas) proteins be used for? 8. You want to insert DNA encoding an epitope tag to the end of a specific gene you...
omework Part D-Question 94 CRISPR-Cas9 can be used to 1:59 PM disable genes O fix disease genes O add new genes O remave existing genes rk - watch two vidoo change gene sequences Submit My Answers Give Up Incorrect; Try Again; 5 attempts remaining ology Part E·Question #5 How does the CRISPR-Cas9 system speofically target DNA sequences n. All rights reserved licy Permissions O It make specific recombinant DNA sequences that match the target O It degrades the ONA from...
Question 7 2 pts Which of these genes would not likely be regulated by the bacterial SOS response?! Translesion DNA polymerase Cell division promoter Holliday junction branch migration enzyme Nucleotide excision repair enzyme Question 8 2 pts Which of these mutations is likely to have the greatest impact on the amino acid composition of the resulting protein? Silent Synonymous Frameshift Missense Question 9 2 pts What would be the result of perfect and continuous suppression of the lac operon in...
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