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ABOUT HUMAN DEVELOPMENT 1 PART
CHAPTER SIX CHAPTER THIRTEEN
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ability achievement activity adolescents adulthood adults affect African American amniocentesis babies baby's become behavior birth birthweight boys brain caregivers Chapter chil child childhood Children's Defense Fund chromosome classical conditioning cognitive development cultural disease disorders divorce dren drug early emotional environment estrogen experience factors father feel female fetal fetus gender gene genetic girls grandparents heredity human development important infants influence intelligence interaction language less lives look low birthweight male marriage mature menopause ment mental midlife months mothers motor multiple births newborns normal older ovum parents patterns peers percent person physical Piaget play pregnancy prenatal prenatal development preschool problems programs rates relationships response risk role scores sexual siblings skills social speech stage stepfamilies stress teenagers tend tests theory tion toddlers traits uterus velopment women X chromosome young