Genome: Chromosome 11 – Personality

Personality is a chromosome that includes a gene dopamine, also known as a D4DR gene. It is a recipe for a dopamine receptor and this gene is switched on in certain parts of the brain but not in others. Excess dopamine will cause the individual to become aggressive while a lack of dopamine will cause the individual to become lethargic. This gene is autosomal recessive. Studies say that people with blue eyes tend to have difficulty using chopsticks. Serotonin is a happy hormone that requulates ood, temper, anxiety, and relieves depression. There is a link between low cholesterol and violence involved in serotonin. For example, monkeys that are fed on low-cholesterol diets become more aggressive and bad-tempered and the cause of this seems to be a drop in serotonin levels.