What is CRISPR?Group of answer choicesSequences derived from viral DNA fragmentsA gene-editing toolA bacterial defense mechanismAll of these answers

Respuesta :

CRISPR is a family sequences derived from viral DNA fragments, which is used by bacteria as a defense mechanism against bacteriophages. Together with the Cas9 enzymes, CRISPR is also a gene-editing tool. Therefore, the correct answer is the last option.