what is evolutionary psychology?
answer may vary (study of behaviour, thought, and feeling as through the lens of evolutionary biology)
what is behavioral genetics?
study of the relative power and limits of genetics and environmental influences on behavior
aggression is an example of
a complex trait
describe an adoption study
the study of the correlation and similarities between the adoptive child and their adoptive parents
what does MZ refer to?
identical twins
who came up with the principle of natural selection?
charles darwin
what is the diathesis-stress model used for?
correlation between depression, environmental stress, and genes (answers vary)
what is heredity?
passing on of traits from parents to offspring
what is the difference between monozygotic twins and dizygotic twins?
MZ - identical
DZ - fraternal
what does the 5-HTT gene do?
controls serotonin
what is a criticism of the evolutionary perspective?
evolution is not the only reason for certain actions
what was the purpose of the Human Genome Project?
to map and sequence the human genome (answers vary)
how does environment affect genes?
tea bag analogy, something of the sort
what is equal environment fallacy?
the assumption that twins grow up in equal environments
why are the concordance rates of MZ twins not 100%?
because they do not share the same environment therefore, genes are not expressed
what is the reason, according to the evolutionary perspective, behind attraction?
MHC (dissimilar is seen as attractive because it means a better immune system)
what is an example of the correlation between genetics and depression?
answers may vary
if a child is aggressive at an early age, we can assume that...
this trait will be persistent
define the concordance rate
the probability that the same trait will be present in both members of a pair of twins
what is the percentage of the heritability of depression?
38%