The measurement and statistical analysis of biological characteristics, such as fingerprints, DNA, or other physical traits, especially for identification purposes.
From bio- + -metry (from Greek metron, 'measure'). Coined in the late 19th century but became a major field in the 20th century with advances in statistics and biology.
Biometry is why no two people have identical fingerprints—evolution created a system so genetically random that it became nature's built-in ID system!
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