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Biology: Genetic Predispositions

Decent Essays
Definition: Biology is how the genetic predispositions, hormones, biochemistry, mental and physical makeup have encouraged or discouraged the behavior/topic. (Gunhus, minilecture 1 pg. 6).
Question: How have genetic predispositions, physical and mental makeup, and biochemistry encouraged or discouraged alcoholism?

1. Contrary to popular belief, genetics account for about 50% of the likelihood that someone will develop an alcohol addiction. (Horvath, T.)
2. Alcohol tolerance can lead to dependence, when the neuronal membranes become dependent on alcohol for normal functioning, creating alcoholism within a person. (Blakeslee, S. 1984)
3. 60% of people from Oriental decent and 5% from European decent lack a second liver enzyme that converts acetaldehyde
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