DNA probe

noun

, Biotechnology.

1. a technique for identifying a segment of DNA, using a known sequence of nucleotide bases from a DNA strand to detect a complementary sequence in the sample by means of base pairing.

Example Sentences

Tracks like the latter, one of the album’s most heated and penetrating, as well as the equally scathing “DNA,” probe for the root causes of our personal and collective misdeeds, yet they question whether those explanations are just the excuses we make.

From Slate

A new DNA probe in 2008 revealed David Lace as the suspected killer.

From BBC