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Question & Answer
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It uses randomized mutations to create gene diversity.
It enables precise targeting of specific DNA sequences using guide RNA.
It relies solely on natural selection to improve genetic traits.
It replaces the entire genome instead of modifying specific genes.
Understanding the Answer
Let's break down why this is correct
CRISPR-Cas9 uses a short piece of RNA called guide RNA to find the exact spot in DNA that needs to be changed. Other options are incorrect because Some think CRISPR creates random mutations to make genes diverse; CRISPR is a tool that edits genes directly; it does not wait for natural selection to pick better traits.
Key Concepts
CRISPR-Cas9 Technology
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Deep Dive: CRISPR-Cas9 Technology
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Definition
CRISPR-Cas9 is a revolutionary gene-editing technology derived from a natural defense mechanism found in bacteria. It utilizes specific sequences known as CRISPR loci, which allow bacteria to recognize and eliminate viral DNA more efficiently upon re-infection. Understanding CRISPR-Cas9 is significant in various fields, including medicine and agriculture, as it opens avenues for targeted genetic modifications and advancements in biotechnology.
Topic Definition
CRISPR-Cas9 is a revolutionary gene-editing technology derived from a natural defense mechanism found in bacteria. It utilizes specific sequences known as CRISPR loci, which allow bacteria to recognize and eliminate viral DNA more efficiently upon re-infection. Understanding CRISPR-Cas9 is significant in various fields, including medicine and agriculture, as it opens avenues for targeted genetic modifications and advancements in biotechnology.
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