DNA match

Forensic identity proof

A DNA match is a correspondence between genetic samples indicating biological relationship or identity.

In forensics, investigators compare crime scene DNA to suspects or databases to find matches: The DNA match linked him to three cold cases.

In genealogy, DNA matches connect people who share ancestry.

The strength of a match varies—identical twins share all DNA, while distant cousins share small percentages.

Opposites
forensic identification outcome

DNA matchnegative result

Outcome showing absence

ruled out

evidentiary certainty

DNA matchtainted evidence

Legally compromised courtroom materials

genetic relationship

DNA matchunrelated

Having no link

non-biological

Family

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