All of the choices are correct. DNA extraction plays a crucial role in various fields, and its applications include:
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Crime Scene Investigation: DNA extracted from evidence can help solve crimes by matching suspects to biological samples found at crime scenes.
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Identifying Genetic Disorders: DNA extraction allows scientists to analyze genetic material, which can help identify mutations or abnormalities associated with genetic disorders, thus aiding in diagnosis and treatment planning.
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Tracing Ancestry: By extracting and analyzing DNA, scientists can trace lineage and ancestry, providing insights into family history and genetic heritage.
Overall, DNA extraction is a powerful tool that enables advancements in forensic science, medicine, and genealogy, among other areas.