Week 2 Checkpoint - Heredity and hormones can both...

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Heredity and hormones can both influence an individual’s behavior. Heredity is the passing of traits from a parent to their offspring. Determining how much heredity and genetics plays a role in a person’s behavior brings up the controversy of nature versus nurture. Scientists have attempted to identify specific genes that may be responsible for behaviors such as aggression, shyness, depression, anxiety, and risk-taking. Studies involving twins have attempted to correlate genetics and behavior, though in those cases, the researchers were not looking for a particular gene, but for similarities within families (Morris and Maisto, 2005). Hormones, chemicals that are released from certain cells within the body and affect other parts of the body as part of the endocrine system, also play a role in a person’s behavior by determining mood. The endocrine system consists of glands such as the pituitary gland, the thyroid gland, the hypothalamus, the pineal body, the adrenal glands, and the ovaries and testes. The thyroid gland secretes Triiodothyronine which is responsible for metabolic
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This note was uploaded on 09/14/2010 for the course AXIA COLLE All taught by Professor Unk during the Spring '10 term at University of Phoenix.

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