By what mechanism can CRISPR-Cas technology introduce a point mutation into a gene?

A. The double-strand break made by Cas9 is repaired by end-joining.
B. The activity of Cas9 changes the DNA sequence of its target.
C. The single guide RNA is incorporated into the eukaryotic genome by Cas9.
D. A double crossover replaces DNA cut by Cas9 with a donor DNA.


Answer: D

Biology & Microbiology

You might also like to view...

A foreign molecule that causes a specific immune response is a(n) ________.

A. antigen B. antibody C. marker D. PAMP E. hapten

Biology & Microbiology

The goal of wastewater treatment is to

A) produce potable water. B) remove pathogens from wastewater before it is released. C) reduce organic and inorganic materials in wastewater to a level that no longer supports microbial growth. D) remove pathogens from wastewater to produce potable water.

Biology & Microbiology

The linkage commonly found between subunits in a chain of monosaccharides is called a ____ bond

a. phosphodiester b. disulfide c. glycosidic d. hydrogen e. peptide

Biology & Microbiology

Structures in an organism that are reduced in size, complexity or strength compared to related

organisms and have no current function are called

a. homologous b. vestigial c. mutualistic d. fossil e. convergent

Biology & Microbiology