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In biological taxonomy, race ((ラテン語:prōles, stirps) Article 14 (p. 20-21 and commentary page 42)) is an informal rank in the taxonomic hierarchy, below the level of subspecies; the term is recognized by some, but is no longer governed by any of the formal codes of biological nomenclature. It has been used as a higher rank than strain, with several strains making up one race. Various definitions exist. Races may be genetically distinct phenotypic populations of interbreeding individuals within the same species, Republished without known revision several times since 1999, and originally published as: or they may be defined in other ways, e.g. geographically, or physiologically. Genetic isolation between races is not complete, but genetic differences may have accumulated that are not (yet) sufficient to separate species.== Definitional approaches ==Races are defined according to any identifiable characteristic, including gene frequencies. "Race differences are relative, not absolute". Adaptive differences that distinguish races can accumulate even with substantial gene flow and clinal (rather than discrete) habitat variation.The term ''race'' has also historically been used in relation to domesticated animals, as another term for ''breed''; this usage survives in combining form, in the term landrace, also applied to domesticated plants. The cognate words for ''race'' in many languages (; ; ) may convey meanings the English word does not, and are frequently used in the sense of 'domestic breed'.See any comprehensive multilingual dictionaries, e.g ''The Velázquez Spanish and English Dictionary''.
In biological taxonomy, race ((ラテン語:prōles, stirps)〔 Article 14 (p. 20-21 and commentary page 42)〕) is an informal rank in the taxonomic hierarchy, below the level of subspecies; the term is recognized by some, but is no longer governed by any of the formal codes of biological nomenclature. It has been used as a higher rank than strain, with several strains making up one race. Various definitions exist. Races may be genetically distinct phenotypic populations of interbreeding individuals within the same species,〔 Republished without known revision several times since 1999, and originally published as: 〕 or they may be defined in other ways, e.g. geographically, or physiologically.〔〕 Genetic isolation between races is not complete, but genetic differences may have accumulated that are not (yet) sufficient to separate species.
== Definitional approaches ==
Races are defined according to any identifiable characteristic, including gene frequencies. "Race differences are relative, not absolute".〔 Adaptive differences that distinguish races can accumulate even with substantial gene flow and clinal (rather than discrete) habitat variation.
The term ''race'' has also historically been used in relation to domesticated animals, as another term for ''breed'';〔 this usage survives in combining form, in the term landrace, also applied to domesticated plants. The cognate words for ''race'' in many languages (; ; ) may convey meanings the English word does not, and are frequently used in the sense of 'domestic breed'.〔See any comprehensive multilingual dictionaries, e.g ''The Velázquez Spanish and English Dictionary''.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「In biological taxonomy, race ((ラテン語:prōles, stirps) Article 14 (p. 20-21 and commentary page 42)) is an informal rank in the taxonomic hierarchy, below the level of subspecies; the term is recognized by some, but is no longer governed by any of the formal codes of biological nomenclature. It has been used as a higher rank than strain, with several strains making up one race. Various definitions exist. Races may be genetically distinct phenotypic populations of interbreeding individuals within the same species, Republished without known revision several times since 1999, and originally published as: or they may be defined in other ways, e.g. geographically, or physiologically. Genetic isolation between races is not complete, but genetic differences may have accumulated that are not (yet) sufficient to separate species.== Definitional approaches ==Races are defined according to any identifiable characteristic, including gene frequencies. "Race differences are relative, not absolute". Adaptive differences that distinguish races can accumulate even with substantial gene flow and clinal (rather than discrete) habitat variation.The term ''race'' has also historically been used in relation to domesticated animals, as another term for ''breed''; this usage survives in combining form, in the term landrace, also applied to domesticated plants. The cognate words for ''race'' in many languages (; ; ) may convey meanings the English word does not, and are frequently used in the sense of 'domestic breed'.See any comprehensive multilingual dictionaries, e.g ''The Velázquez Spanish and English Dictionary''.」の詳細全文を読む
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