#protein_molecule__proteinmolecule  any large molecule containing chains of amino acids linked by peptide bonds
  supertype:  molecule  (physics and chemistry) the simplest structural unit of an element or compound
  subtype:  gene  a self-replicating protein molecule that occupies a fixed place on a chromosome; a unit of heredity
     subtype:  dominant_gene  gene that produces the same phenotype in the organism whether or not its allele identical; "the dominant gene for brown eyes"
     subtype:  allele__allelomorph  one of two alternative forms of a genes that can have the same locus on homologous chromosomes and are responsible for alternative traits
     subtype:  genetic_marker__geneticmarker  a specific gene that produces a recognizable trait and can be used in family or population studies
     subtype:  lethal_gene  any gene that has an effect that causes the death of the organism at any stage of life
     subtype:  linkage_group__linkagegroup__linked_genes  any pair of genes that tend to be transmitted together; "the genes of Drosophila fall into four linkage groups"
     subtype:  modifier_gene__modifier  a gene that modifies the effect produced by another gene
     subtype:  mutant_gene  a gene that has changed so that the normal transmission and expression of a trait is affected
     subtype:  nonallele  genes that are not competitors at the same locus
     subtype:  operator_gene  a gene that activates the production of messenger RNA by adjacent structural genes
     subtype:  oncogene__transforming_gene  a gene that causes normal cells to change into cancerous tumor cells
     subtype:  recessive_gene__recessivegene  gene that produces its characteristic phenotype only when its allele is identical; "the recessive gene for blue eyes"
     subtype:  proto-oncogene__protooncogene  a normal gene that has the potential to become an oncogene
     subtype:  regulatory_gene__regulator_gene__regulatorgene  a gene that produces a repressor substance that inhibits an operator gene
     subtype:  repressor_gene__repressorgene  gene that prevents a nonallele from being transcribed
     subtype:  structural_gene  a gene that controls the production of a specific protein or peptide
     subtype:  suppressor_gene__suppressor__suppresser__suppresser_gene  a gene that suppresses the phenotypic expression of another gene (especially of a mutant gene)
     subtype:  X-linked_gene  a gene located on an X chromosome
     subtype:  Y-linked_gene__holandric_gene__holandricgene  a gene located on a Y chromosome
  subtype:  genome  one haploid set of chromosomes with the genes they contain; the full DNA sequence of an organism

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