isogenic

adjective

iso·​gen·​ic ˌī-sō-ˈje-nik How to pronounce isogenic (audio)
: characterized by essentially identical genes
identical twins are isogenic

Examples of isogenic in a Sentence

Recent Examples on the Web
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Resistance to remdesivir decreases viral fitness To determine if E802D did in fact confer resistance, the mutation was cloned into an isogenic SARS-CoV-2 strain and resistance to remdesivir was measured. William A. Haseltine, Forbes, 13 Apr. 2022

Word History

Etymology

is- + gene + -ic entry 1

First Known Use

circa 1931, in the meaning defined above

Time Traveler
The first known use of isogenic was circa 1931

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Cite this Entry

“Isogenic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isogenic. Accessed 14 Feb. 2026.

Medical Definition

isogenic

adjective
iso·​gen·​ic -ˈjen-ik How to pronounce isogenic (audio)
: characterized by essentially identical genes
identical twins are isogenic
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