atavism

All Sources -
Updated Media sources (1) About encyclopedia.com content Print Topic Share Topic
views updated

atavism The reappearance of a character after several generations, the character being the expression of a recessive gene or of complementary genes. The character, or individual possessing this character, is sometimes referred to as a ‘throw-back’.

views updated

atavism The reappearance of a character after several generations, the character being the expression of a recessive gene or of complementary genes. The character, or the individual possessing this character, is sometimes referred to as a ‘throw-back’.

views updated

atavism The reappearance of a character after several generations, the character being the expression of a recessive gene or of complementary genes. The character, or individual possessing this character, is sometimes referred to as a ‘throw-back’.

views updated

atavism resemblance to remote ancestors rather than parents. XIX. — F. atavisme, f. L. atavus great-grandfather's grandfather, f. avus grandfather; see -ISM.
Hence atavistic XIX.

views updated

atavism (at-ă-vizm) n. the phenomenon in which an individual has a character or disease known to have occurred in a remote ancestor but not in his parents.