gene

B2 CET-4 Oxf 5000 大学 FREQ #3562 ★★★☆☆

n. 基因 [化] 基因(遗传因子)

发音

US /d͡ʒiːn/

词形变化

genes 复数 genes

教材释义与例句

名词

基因,遗传因子

释义与例句

n. B2 Oxf 5000
  1. 1.

    A theoretical unit of heredity of living organisms which may take several values and (in principle) predetermines a precise trait of an organism's form (phenotype), such as hair color.

    基因

    遗传子

    生物 医学

    Near-synonym: cistron (often synonymous)

  2. 2.

    A segment of DNA or RNA from a cell's or an organism's genome, that may take several forms and thus parameterizes a phenomenon, such as (often) the structure of a protein.

    Holonym: locus

    A change in a gene is reflected in the protein or RNA molecule that it codes for.

词汇关系

相关短语

词源

From German Gen, from Ancient Greek γενεά (geneá, “generation, descent”), from the aorist infinitive of γίγνομαι (gígnomai, “to come into being”). Coined by Danish botanist Wilhelm Ludwig Johannsen in 1909, in a German-language publication, from the last syllable of pangene.

来源:wiktionary