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Chapter 3 Gender Now 1
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It Matters: The Biological Foundations of Gender
Sex is Not Gender Sex Gender 2
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Biological Sex: The Foundation of Gender
Terms: Sexual reproduction Fertilization Sperm Ovum Homogametic sex Heterogametic sex 3
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Male and Female The Role of Sex Hormones Estrogens Progesterone
Androgens 4
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Internal Sex Organs: Male, Female, Undifferentiated
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List of Homologous Structures
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Sex Differentiation in the Prenatal Brain
The role of androgen and estrogen receptors Sex differential of the brain is dependent on the presence or absence of estradiol. The conversion of androgen to estrogen in the prenatal brain is the underlying cause of brain sex differentiation. 7
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Somewhere Between “Male” and “Female”
Terms: Intersex/intersexual Hermaphrodite Female pseudohermaphrodite Male pseudohermaphrodite 8
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Turner Syndrome One of two X chromosomes is absent
The dropped chromosome results in failure to develop ovaries, rendering her infertile Affected females are often short, have learning delays, and heart, kidney and thyroid problems 9
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Klinefelter Syndrome Extra X chromosome is present, resulting in XXY pattern Affecting 1 in 500 male births Smaller-than-normal testes that produce no sperm Affected males often have round body type, taller than brother/father, enlarged breasts, and little facial or body hair 10
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Androgen Insensitivity Syndrome
Characterized by an abnormality of the X chromosome The gonads within the abdomen may be male, but the baby is born with feminized external genitalia 11
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Congenital Adrenal Hyperplasia (CAH)
Sex hormone disorder – external genitalia of genetic females are masculinized because of excessive androgens Affects 1 in 13,000-16,000 people Affected females have vagina, can have intercourse, and give birth 12
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Sex Reassignment: “John/Joan” Case
Born male, Bruce Reimer underwent sex reassignment surgery and was raised as a girl. He later transitioned back to being a male, but ultimately killed himself at 38. 13
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Current Medical Management
The Intersex Society of North America Current medical protocol regarding ambiguous genitalia or intersex children is that gender assignment is based on DNA 14
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It Matters: The Culture of Gender
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Gender Roles: The Making of Male or Female, Masculine or Feminine
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Masculinity: “Doing” Male
Hegemonic Masculinity Racial and Ethnic Differences: The cool pose Machismo 17
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Femininity: “Doing” Female
Racial and Ethnic Differences Marianismo Body Image Changes across time 18
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Body Shapes and Media 19
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Body Shapes and Media 20
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Body Shapes and Media 21
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Gender Polarization: Complementary Opposites – or Inequality
Terms: Gender stereotypes Gender polarization/bipolar gender Sexism Gender inequality Wage gap Confidence gap 22
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Gender Differences in Annual Median Income, by Education
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Self-Confidence of First-Year College Students, by Gender
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It Matters: Gender Identity
Gender Identity vs. Sexual Orientation Androgyny Transgender Transsexual Gender dysphoria Sexual Reassignment Surgery Transvestite
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Sexual Life Education Concluding Points 26
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