Behavior Genetics, Free Will

Question 1

neurological phenomenon in which a weaker prestimulus inhibits the reaction of an organism to a subsequent strong startling stimulus

Answer 1

prepulse inhibition

Question 2

a discrete, and measurable component of a complex behavior, or complex phenotype

Answer 2

endophenotype

Question 3

*good study model to determine the proportion of a trait that is inherited

Answer 3

adoption studies; help disentangle environmental effects

Question 4

how frequently is autism inherited?

Answer 4

90%

Question 5

receptor with many polymorphisms

Answer 5

dopamine receptor (D1-D6)

Question 6

studies suggest that individuals who inherit a specific D4 form of dopamine receptor (which binds dopamine avidly) exhibit this behavior

Answer 6

novelty seeking behavior and more promiscuity/infidelity

Question 7

meta-analysis findings between dopamine system enes and ADHD

Answer 7

significant associated; DRD4 5 and 7 repeat alleles associated with ADHD and addiction

Question 8

biology of criminal behavior

Answer 8

LOW monoamine oxidase A enzyme state

Question 9

environmental factors that can cause violent behavior later in life

Answer 9

childhood abuse, especially in boys

Question 10

what factor increases susceptibility to the ill effects of maltreatment as a child?

Answer 10

the low MAOA polymorphism