noun (used with a singular verb) Biology.
classification of organisms based on measurable similarities and differences rather than genetic makeup and evolutionary descent.
Origin of phenetics
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(functioning as singular) biology a system of classification based on similarities between organisms without regard to their evolutionary relationships
Word Origin for phenetics
C20: from phen (otype) + (gen) etics
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012