Is aggression inherited?
To disentangle the relative contributions of nature (genetic inhertance) and nurture (environmental influences), researchers have conducted methodolgical techniques.
Monogygotic (identical) twins share all of their genes
Dizygotic twins (non-identical) twins share only 50% of their genes.
Researchers compare how similar a particular trait between monogygotic (MZ) twins and digygotic (DZ) twins are, in this case aggression is the trait.
- If the MZ tiwns are more…