XYY syndrome
type: Concept
broader: psychological theories and diagnoses for violent behavior
definition: Based in Lombrosian theory that criminal behavior is rooted in heredity, some contemporary theorists have focused their research on genetic composition that may influence or even cause criminal conduct. The notion that criminal conduct may be biologically predisposed is certainly not new, nor is it without foundation. [Source: Encyclopedia of Murder and Violent Crime; Xyy Syndrome]

concepts
type: Collection
type: ConceptGroup
member: XYY syndrome

psychological theories and diagnoses for violent behavior
type: Concept
narrower: XYY syndrome