Biological AbnormalitiesChromosomal Abnormalities

Hormonal AbnormalitiesGender Identity Creation/Change

Biological AbnormalitiesChromosomal Abnormalities

Hormonal AbnormalitiesGender Identity Creation/Change

KEY CONCEPTS• Chromosomal Abnormalities

• Errors in cell division lead to extra or missing chromosomes• Turner’s Syndrome (X Ø) Ø)• Trisomy X Syndrome (XXX)• Klinefelter’s Syndrome (XXY or even XXXY)• Supernumerary Y Syndrome (XYY)

• Hormonal Abnormalities• It’s the ratio of androgens/estrogens that make us male/female• Androgenital Syndrome (too much androgen)• Androgen Insensitivity Syndrome (normal androgen, body can’t use it)

• Gender Identity and Gender Of Rearing• The “Creation” Of Gender Identities• When Gender “Creation” Doesn’t Stick

X ChromosomeX Chromosome Y ChromosomeY Chromosome

XX - FemaleXX - Female XY - MaleXY - Male

Trisomy XTrisomy XSyndromeSyndrome

Turner’sTurner’sSyndromeSyndrome

In the absence of a “Y” chromosome, these are females.In the absence of a “Y” chromosome, these are females.

Supernumerary YSupernumerary YSyndrome Syndrome

Klinefelter’s Klinefelter’s SyndromeSyndrome

In the presence of a “Y” chromosome, these are males.In the presence of a “Y” chromosome, these are males.They are “Pseudo-hermaphrodites”They are “Pseudo-hermaphrodites”

KEY CONCEPTS• Chromosomal Abnormalities

• Errors in cell division and there are extra or missing chromosomes• Turner’s Syndrome (X Ø) Ø)• Trisomy X Syndrome (XXX)• Klinefelter’s Syndrome (XXY or even XXXY)• Supernumerary Y Syndrome (XYY)

• Hormonal Abnormalities• It’s the ratio of androgens/estrogens that make us male/female• Androgenital Syndrome (too much androgen)• Androgen Insensitivity Syndrome (normal androgen, body can’t use it)

• Gender Identity and Gender Of Rearing• The “Creation” Of Gender Identities• When Gender “Creation” Doesn’t Stick

KEY CONCEPTS• Chromosomal Abnormalities

• Errors in cell division and there are extra or missing chromosomes• Turner’s Syndrome (X Ø) Ø)• Trisomy X Syndrome (XXX)• Klinefelter’s Syndrome (XXY or even XXXY)• Supernumerary Y Syndrome (XYY)

• Hormonal Abnormalities• It’s the ratio of androgens/estrogens that make us male/female• Androgenital Syndrome (too much androgen)• Androgen Insensitivity Syndrome (normal androgen, body can’t use it)

• Gender Identity and Gender Of Rearing• The “Creation” Of Gender Identities• When Gender “Creation” Doesn’t Stick

Gender IdentityGender Identity““Creation”Creation”

The Case Of David ReimerThe Case Of David Reimer

Gender IdentityGender Identity““Change”Change”

The Case Of The GuevedocesThe Case Of The Guevedoces

18 months18 months 4 years4 years 8 years8 years

19 years19 years 42 years42 years