PY 101 Lecture Notes - Lecture 9: Child Development Stages, Erik Erikson, Lactiferous Duct
14 Jan 2017
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Document Summary
Genetic expression is a function of inheritance and the environment. Genotype: all genes that are passed down from parents. Phenotype: the way that genes are expressed. Genotype: we inherit 46 chromosomes, 23 pair, one set from each parent. Phenotype: genotypes react differently to environmental factors. Experience affects which genes are turned on" (or off) Germinal stage: rapid cell division then attached to uterine wall. Embryonic stage : organs and internal systems begin to form. Teratogens (more detail at the end of chapter) Hormones: chemical released from endocrine glands into bloodstream in order to influence target tissues. Nutrients: dietary compounds that promote growth and development. Teratogen: environmental agents that harm the embryo or fetus. 1when prego avoid high in mercury, this when not help with the growth of the fetus. Culture (motor skills and behavior and learned at different ages in different cultures)
