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Answer:
CRISPR-Cas9 is a unique technology that enables geneticists and medical researchers to edit parts of the genome? by removing, adding or altering sections of the DNA? sequence. It is currently the simplest, most versatile and precise method of genetic manipulation and is therefore causing a buzz in the science world.
Explanation:
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CRISPR-Cas9 system allows DNA to be cut at a specific site in order to later edit it, that is, it introduces changes in the genome with precision, its function is to regulate gene expression.
They are families of bacterial DNA sequences that contain DNA fragments from viruses that have attacked bacteria, that is, they are sequences of the bacterial genome that carry the instructions for specific RNAs.
These fragments are used by the bacterium to detect and destroy the DNA of new attacks from similar viruses, so that it can effectively defend itself against them.
Therefore, we can conclude that the CRISPR-Cas9 system is a technique that allows DNA to be cut at a specific site and then edited, whose function is to regulate gene expression, to identify and modify gene functions or correct defective genes.
Learn more about the CRISPR-Cas9 system here: https://brainly.com/question/19711546