Psych Chapter 5 Development Through the Lifespan Developmental Psych s Major Issues Developmental Psychology examine physical cognitive decision making and social how you become attached to guardians caretakers develop a sense of morality development across lifespan o Nature and Nurture genetic makeup or environment causes characteristics o Continuity and stages o Stability and change what things are likely to stay the same change over the course of your lifetime Prenatal Development and the Newborn Conception o Women born with all eggs they will ever have o Men begin producing sperm during puberty continue throughout life o Sperm eat away protective layer of egg o One sperm enters egg blocks out others o Nuclei of sperm egg fuse
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