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For what is DNA used?

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Quick Answer

Deoxyribonucleic acid (DNA) contains the information required for cellular activities such as development and reproduction and can be used to identify relatives through blood testing among other uses. The instructions found within each cell identify the species of the animal or human it came from and are passed from generation to generation.

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Full Answer

It is possible to identify and assess genetic information via DNA fingerprinting. This process can be used to determine biological relationships, diagnose various genetic disorders, establish whether or not an individual is carrying a genetic mutation that can be passed on and reveal whether a person is at risk for certain genetic diseases. DNA testing is also used in forensic science and plays an important role in law enforcement. DNA information is unique to every individual, which makes it easier to identify suspects..

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