Etymology

homozygous

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Today it means: Of an organism in which both copies of a given gene have the same allele Full definition →

English homo- ← Ancient Greek ὁμός (homós) ← Proto-Hellenic *homós
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The story

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*somHós
  3. Proto-Hellenic*homós
  4. Ancient Greekὁμός (homós)
  5. Englishhomo-
  6. English todayhomozygous

From homo- + -zygous.

Etymology from Wiktionary, CC BY-SA 4.0.