psyc c1000: ch 3

genotype

genetic makeup based on DNA from parents

phenotype

observable characteristics

range of reaction

genes establish possibility, environment impacts whether the possibility is nurtured and where in a range a possibility will develop

genetic environmental correlation

genes can impact the environments people experience, environments can impact the expression of genes, if you’re exposed to something at a young age you may realize a potential for it

epigenetics

diff behavior, cognition, personality, mental health between twins, ex. (same genotype, diff phenotypes)

monozygotic (twins)

same genetic info, aka identical, (ex. three identical strangers)

dizygotic (twins)

2 diff eggs fertilized by diff sperm

central nervous system (cns)

brain, spinal cord

peripheral nervous system (pns)

somatic nervous system (concious/voluntary behavior)

autonomic nervous system (internal glands/organs, involuntary behavior)

sympathetic nervous system

prepares body for sympathetic activities, stress/action

parasympathetic nervous system

helps body return to normal , calm/recovery