Key Terms

alleles

association areas

axons

behavior genetics

cell body

cerebral cortex

cerebral hemispheres

cerebral lateralization

chromosomes

corpus callosum

crossing over

dendrites

DNA (deoxyribonucleic acid)

dominant allele

environment

event-related potentials (ERPs)

experience-dependent plasticity

experience-expectant plasticity

failure to thrive (nonorganic)

frontal lobe

genes

genome

genotype

glial cells

heritability

heritable

heterozygous

homozygous

lobes

multifactorial

mutation

myelin sheath

myelination

neurogenesis

neurons

norm of reaction

occipital lobe

parietal lobe

phenotype

phenylketonuria (PKU)

plasticity

polygenic inheritance

recessive allele

regulator genes

secular trends

sex chromosomes

spines

synapses

synaptic pruning

synaptogenesis

temporal lobe