The reappearance of a characteristic in an organism after several generations of absence, usually caused by the chance recombination of genes.
An individual or a part that exhibits atavism. Also called throwback.
The return of a trait or recurrence of previous behavior after a period of absence.
[French atavisme, from Latin atavus, ancestor : atta, father + avus, grandfather; see awo- in Indo-European roots.] at'a·vist n., at'a·vis'tic adj., at'a·vis'ti·cal·ly adv.