Homolog

//ˈhɒməlɒɡ// noun

Definitions

Noun
  1. 1
    Something homologous; a homologous organ or part, chemical compound, chromosome, gene, or cultural element.; A phoneme, morpheme, or word shared by two languages or dialects, via cognation or naturalization.
  2. 2
    Something homologous; a homologous organ or part, chemical compound, chromosome, gene, or cultural element.; One of a group of similar DNA sequences that share a common ancestry, or the peptides or proteins that they encode; the counterpart gene or protein in another taxon evolved from a common ancestor (molecularly it may be either identical or similar).

    "TP53 is the human homolog of murine Trp53."

  3. 3
    Something homologous; a homologous organ or part, chemical compound, chromosome, gene, or cultural element.; A member of a homologous series.
  4. 4
    Something homologous; a homologous organ or part, chemical compound, chromosome, gene, or cultural element.; A belief, practice, concept, or artifact that has a counterpart in another culture.

Etymology

Borrowed from French homologue, From Ancient Greek ὁμόλογος (homólogos, “agreeing, of one mind”), equivalent to homo- + -log.

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