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developmental psychology
chromosomes
DNA (deoxyribonucleic acid)
genes
heredity
genome
environment
interaction
epigenetics
zygote
embryo
identical twins (monozygotic twins)
fraternal twins (dizygotic twins)
fetus
teratogen [tuh-RAT-uh-jen]
fetal alcohol syndrome (FAS)
reflex
temperament
maturation
critical period
cognition
schema
assimilation
accommodation
sensorimotor stage
object permanence
preoperational stage
conservation
egocentrism
theory of mind
autism spectrum disorder (ASD)
concrete operational stage
formal operational stage
stranger anxiety
attachment
basic trust
adolescence
puberty
identity
social identity
intimacy
emerging adulthood
menopause
social clock