Lecture 2+3- Biological Influences AKA Sex Influences

Lecture 2+3- Biological Influences AKA Sex Influences -...

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Biological Influences AKA Sex Influences Definitions Gender Identity o Identifying and accepting yourself as holding masculine or feminine characteristics. o Enacting gender roles Gender Identity Development Influenced by individual and society. Enter the “nature vs nurture” argument o This raises the question as to whether or not your gender identity is innate or learned. Sexual Dimorphism Humans are among many species that are sexually dimorphic. o Having two distinct physical variations Male Female Stages of Development/ Sexual Differentiation Genetic o Occurs at conception o Inheritance of chromosomes related to sex (XX, or XY) o SRY Gene Triggers development of male reproductive characteristics Without SR, fetuses develop as female. Hormonal - Steroid hormones o Occurs during prenatal development and again at puberty o Androgens are typically higher in males Example being testosterone o Estrogens are typically higher in females
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