Course

Genetics

Study Pack

St1 Crispr And Genomic Editing

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Question 1

(Multiple Choice)

Free
dCas9 is a useful tool in the CRISPER- Cas toolkit because it can_______ .

A)bind DNA,but it cannot cut DNA
B)fluoresce and help researchers locate target sequences
C)bind DNA,but it cannot travel down the template strand
D)deactivate the transcription of a gene

Answer

Question 2

(Multiple Choice)

Free
Examples of modifications to Cas9 include all of the following EXCEPT _______.

A)epigenetic modifiers
B)promotor domains
C)repression domains
D)fluorescent proteins

Answer

Question 3

(Multiple Choice)

Free
Which of the following is a pathway available to cells to repair double- stranded DNA breaks?

A)nonhomologous end- joining
B)nonhomologous directed repair
C)homologous directed end joining
D)homologous end- joining

Answer