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 ?
Prehistoric skulls had been used to model the heads, and atavistically or racially comparable modern specimens to model the flesh.
In any case, their expectation reproduces exactly that of the newcomers to the Lagers, whether young or not; all of them, with the exception of those who had already gone through an analogous experience, expected to find a terrible but decipherable world, in conformity to that simple model which we atavistically carry within us--"we" inside and the enemy outside, separated by a sharply defined geographic frontier.
Schneider's widely disseminated effort of 1949, was not only misleadingly re-baptized, as On World-Government (in tune with the post-World War II times, and also, perhaps, with an unacknowledged but atavistically American distaste for the concept--even the name--of monarchy itself), but also openly declared its translator's anachronistic intent, being described in the preface as "made for today's political thinking rather than for students of Dante.