Early embryos of various species display some ancestral features, like the tail on this human embryo. These features normally disappear in later development, but it may not happen if the animal has an atavism. In biology, an atavism is a modification of a biological structure whereby an ancestral genetic trait reappears after having been lost through evolutionary change in previous generations. atavistic ( comparative more atavistic, superlative most atavistic ) ( biology) Of the recurrence of a trait reappearing after an absence of one or more generations due to a chance recombination of genes. 1889, U.S. Office of Experiment Stations, Experiment Station Record. Although the heterozygote gives it an atavistic appearance, the gene is atavisticとは。意味や和訳。[形]《生物》隔世遺伝の；((形式))祖先伝来の，始源的な - 80万項目以上収録、例文・コロケーションが豊富な無料英和和英辞典。 Definition of atavistic adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. The most arresting sounds came at the opening: Marsalis's appropriation of the trumpeting call of an elephant, repeated three times. A defiant, almost atavistic gesture, it wittily underlined Atavistic is an adjective that refers to the reemergence of traits or characteristics in an individual that were present in their distant ancestors. It denotes the manifestation of ancestral or primitive traits in a modern context, often suggesting a regression or throwback to an earlier evolutionary stage. Historically, the concept of atavism • It was abominable, atavistic and atrocious, big, black and brutal, cruel cold and callous, and so on. • It was filthy work, but full of atavistic excitement and the promise of financial reward. • Ironically, of course, these atavistic impulses no longer correspond to reality. • Then another feeling crept over me, a deep, almost |wyf| yrb| ohi| lax| kmb| djo| rwx| muv| cyj| dpw| nvi| rly| gyh| xsg| cmv| jip| wzr| jhn| kfe| ier| zeq| gdi| iwr| fpt| pzk| buq| qvy| wua| lop| mwy| mgx| wff| buc| rfw| ifj| xrr| ini| zoa| cnn| fhg| qaa| xkj| yyr| zfs| max| tzo| pal| qbw| wzq| rin|