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Principles of Forensic DNA for Officers of the Court

The Two Types of DNA: Nuclear and Mitochondrial

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A Diagram of a Cell
National Institute of Justice (NIJ) (ver política de reutilización).

Both nuclear DNA and mitochondrial DNA (mtDNA) are used in forensic DNA identity testing.

Nuclear DNA is found in the cell nucleus. Mitochondrial DNA is found in cell cytoplasm.

There are significant differences between these two types. Mitochondrial will be addressed in Module 8.

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