Chromosomes And Hormones In Gender

Question 1

Case study

Answer 1

David Reimar
Raised as a girl due to accident during circumcision
Very masculine, ridiculed and lonely during childhood
Continued life as a male at 14

Question 2

Dr Money

Answer 2

‘Sex change surgery’, believed gender was purely a human psychological development
Gave reasons for failure of reimar as due to the fact it was performed late, trauma felt by parents and as he had a twin

Question 3

Key findings of diamond

Answer 3

Humans and animals are born with basic inclinations or gender
Testosterone injects into lab animals (pregnant rates) would attempt to mate as males

Question 4

Role of genes

Answer 4

Humans have 23 pairs of chromosomes, 1 pair are sex hormones males Xy female xx
Until 3months foetus externally feminine, Y chromosome (contains SRY gene) triggers in males and instructs gonads to become testes

Question 5

Reiner & Gearhart

Answer 5

Genetically male children reassigned female and raised as girls, in a sample of 14 with cloacal exstrophy (birth defect where most abdominal organs exposed and split genitalia)
8 living as boys and all displayed masc characteristics in follow up age 5-12
Supports bio impact

Question 6

Genetic factor argument strengthened by David reimer

Answer 6

Reverted to true sex at 13/14 despite being raised as female and given hormone treatment