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Researchers do know from twin studies that genetics plays a role in personality disorders. Environmental factors, such as childhood abuse, neglect and separation from caregivers, as well as brain abnormalities, emotion regulation, impulsivity, aggression and serotonin levels all play a role.ecause many personality domains are heritable, borderline personality disorder may be a result of a genotype interacting with adverse environmental factors. This would in turn lead to the expression of borderline symptoms or other dysfunctional personality traits.
Why is gene regulation important. http://morayeel.louisiana.edu/SeaweedsLab/Gavio/biol121.html. e.g. in insects as well as in mammals: there are genes called HOMEOTIC GENES that determine what body parts develop when and where e.g. one set of genes in the fruit fly instruct the segment of the head to form antennae.ealth related question in topics Biology .We found some answers as below for this question Why is gene regulation important,you can compare them. Genes regulation is important otherwise some metabolic processes may be hurt. Cancer is caused when the cyclin gene is altered! [ Source: http://www.chacha ....