CRISPR Sequences Occur Naturally As

Question

CRISPR sequences occur naturally as
A)an antiviral immune system in bacteria.
B)an antibacterial immune system in eukaryotes.
C)an antiviral immune system in eukaryotes.
D)a gene editing system in bacteria.

Accepted Answer

CRISPR sequences are part of an adaptive immune system in bacteria and archaea, providing a form of acquired immunity against viruses and plasmids.