Is DNA Evidence Relevant?

4 Pages Posted: 12 Feb 2020

See all articles by Kenneth W. Graham

Kenneth W. Graham

University of California, Los Angeles (UCLA) - School of Law

Date Written: February 10, 2020


In admitting DNA sample taken at the crime scene in 2010 to compare it with a DNA sample taken from the defendant in 2020 courts assume that the defendant’s DNA has not changed in the prior ten years. This article questions that assumption using scientific findings published in the journals Scientific American and Science News.

Keywords: Relevance, Admissibility of DNA evidence, 'Junk DNA', Scientific evidence, DNA evidence, Expert testimony, DNA exonerations

Suggested Citation

Graham, Kenneth W., Is DNA Evidence Relevant? (February 10, 2020). UCLA School of Law, Public Law Research Paper No. 20-03, Available at SSRN: or

Kenneth W. Graham (Contact Author)

University of California, Los Angeles (UCLA) - School of Law ( email )

385 Charles E. Young Dr. East
Room 1242
Los Angeles, CA 90095-1476
United States

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