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Biological Explanations

Three biological explanations are considered for offending behaviour:
o Genetics
o Chromosomes
o Neurophysiology
It is possible a behaviour determined initially by genetic inheritance in turn influences
Genetic transmission
o Twin and adoption studies have been used to test the heritability of offending
o Concordance rates…

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o Moffitt suggested that adolescent delinquency might be a result of delayed brain
o However, that does not explain persistent life-course offending
o There are also other neurophysiological anomalies in highly aggressive APD
o Kurland et al found that 66% of APD individuals with a history of uncontrollable…


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