Week 4-How genes affect personality

Question 1

2 main dopamine projections in the brain are ____ ____ to ____-____ (affects Parkinson’s disease) and ____ ____ ____ to ____ ____ (the reward circuit)

Answer 1

substantia nigra; caudate-putamen; ventral tegmental area; nucleus accumbens

Question 2

There are 5 types of dopamines that can be divided into 2 subgroups: D1-like (D___ and D___), and D2-like (D___, D___, and D___).

Answer 2

1;5;2;3;4

Question 3

The gene for D___ receptor is highly polymorphic in humans, and can result in variable reaction to ____

Answer 3

4; dopamine

Question 4

Can one single gene make someone a thrill seeker, an alcoholic, obese or friendly or mean?

Answer 4

No

Question 5

Many genes in combination can affect ____ or ____ of getting a specific trait but this depends on the ____

Answer 5

risk; chance; environment