The role of Hormones and Chromosomes

Role of Hormones on Gender

Tetosterone:

This hormone is released as an androgen in the fetus. It masculinises the brain (Larger sexually dimorphic nucleus). Testosterone has been clearly linked with aggression which is known as a masculine trait.

Evidence

Hines found that children whos mother was injected with testosterone to prevent miscarriage, showed more agressive behaviour than normal.

Oestrogen:

This is a female hormones that is high in abundance to Testosterone. Oestroge promote interonections in the brain for equal uses of both hemispheres. It also pormotes mestruation.

Evidence

Fitch took overies out of rats after birth removing the production of estrogen and their SDM(sexually dimorphic nucleus) was larger and testosterone levels were high more like a…