atavism


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atavism

 [at´ah-vizm]
apparent inheritance of characters from remote ancestors. adj., adj atavis´tic.

at·a·vism

(at'ă-vizm),
The appearance in an individual of characteristics presumed to have been present in some remote ancestor; reversion to an earlier biologic type, a throwback.
[L. atavus, a remote ancestor]

atavism

/at·a·vism/ (at´ah-vizm) apparent inheritance of a characteristic from remote rather than immediate ancestors.atavis´tic

atavism

(ăt′ə-vĭz′əm)
n.
1. The reappearance of a characteristic in an organism after several generations of absence.
2. An individual or a part that exhibits atavism. Also called throwback.
3. The return of a trait or recurrence of previous behavior after a period of absence.

at′a·vist n.
at′a·vis′tic adj.
at′a·vis′ti·cal·ly adv.

atavism

[at′əviz′əm]
Etymology: L, atavus, ancestor
the appearance in an individual of traits or characteristics more like those of a grandparent or earlier ancestor than of the parents. Atavistic data may offer clues to an examining physician of genetic or familial health factors. atavistic, adj.
Any of a number of normally dormant traits—e.g., the presence in humans of multiple nipples, appearance of vestigial hind limbs in whales, or possibly hereditary hypertrichosis in humans

atavism

Any of a number of normally dormant traits–eg, the presence in humans of multiple nipples, appearance of vestigial hind limbs in whales, or possibly hereditary hypertrichosis in humans

at·a·vism

(at'ă-vizm)
The appearance in an individual of characteristics presumed to have been present in some remote ancestor; reversion to an earlier biologic type; a throwback.
[L. atavus, a remote ancestor]

atavism

The reappearance of a genetic characteristic after generations of absence. This may be caused by the coincidence of two recessive genes, by recombination, or by mutation. The organism or individual so produced is often called a ‘throwback’.

atavism

the recurrence of a characteristic possessed by an ancestor after an absence for several generations.

atavism

apparent inheritance of characters from remote ancestors, caused by recessive genes. Called also 'throwback'.
References in periodicals archive ?
The crowd at the races reveals still more explicitly the dormant atavism inherent in contemporary civilization: "And the roar of the mob, the roar of a wild beast emerging from its lair, hidden under these frock-coats, was becoming plainer and plainer" (335).
82) Wigmore chose Lombroso's Crime out of a desire to distance the Modern Series from the two most Lombrosian theories of all: atavism and the born criminal.
Trinity United is an atavism of the 1960s, with all the ties anyone would care to find to Louis Farrakhan and Muammar Quadaffi.
Rejecting "original and inherent features of a race," Manouvrier wished to react against "the habit of explaining by race, blood, heredity, atavism what is explicable by the external milieu and the action of living beings assembled together.
84)--just as ideas of civilization were defined against a savagery or atavism located in the reaches of empire.
ethnocentrism is in our time an atavism that does not serve anybody
The forces of progress and virtue are embodied by a blond hero, forefather of that coming race the Celts, who sets out to rescue the maiden from an ogre representing atavism and vice.
The author of ''The Ancestor Within,'' Michael Le Page, cited the babies with tails as a likely example of atavism, a phenomenon in which ancestral traits suddenly reappear after thousands or even millions of years.
This "intellectual" world could not help but be fascinated by boxing, the virility, vitality and atavism of naked violence.
Within those topics is an explanation of, atavism, or the reappearance of a characteristic typical of a remote ancestor.