The role of chromosomes and hormones in sex and gender Flashcards
(39 cards)
What are chromosomes?
Structures in the nucleus made up of genetic information
What are the 23rd pair of chromosomes?
The sex chromosomes
What are sex chromosomes?
The chromosomes that determine an individual’s sex
What sex chromosomes do females have?
XX
What sex chromosomes do males have?
XY
What internal and external genitalia do individuals with XX chromosomes normally have?
Ovaries and vagina
What internal and external genitalia do individuals with XY chromosomes normally have?
Testes and penis
Name two syndromes associated with atypical sex chromosomes.
Turner’s syndrome and Klinefelter’s syndrome
What is the sex chromosome configuration in Klinefelter’s syndrome?
XXY
What is the sex chromosome configuration in Turner’s syndrome?
X
What external genitalia do individuals with Klinefelter’s syndrome have?
A penis
What external genitalia do individuals with Turner’s syndrome have?
A vagina
What characteristics do individuals with Klinefelter’s syndrome have?
Taller than normal, less muscular, less facial hair, broader hips, breast tissue + infertile
What characteristics do individuals with Turner’s syndrome have?
Shorter than average, no menstrual cycle, webbed neck, narrow hips + cognitive impairments
What does intersex mean?
An individual who is neither distinctly male or female due to a biological mismatch
Which hormone is associated with men?
Testosterone
Which hormone is associated with women?
Oestrogen
What is testosterone responsible for?
Stimulating the development of male-typical secondary sexual characteristics
What is oestrogen responsible for?
Stimulating the development of female-typical secondary sexual characteristics
What feelings does oxytocin elicit?
Contentment and calmness
What sex is oxytocin associated with?
Females
What are the 4 AO3 points for the role of chromosomes and hormones in gender development?
1) Case study support from David Reimer
2) RWA - intersex conditions
3) Reductionist
4) Ignores role of cultural + social factors
What sex was David Reimer born as?
Male
What traumatic event happened to David Reimer as a baby?
His penis was destroyed in a surgery