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Discuss biological influences in gender
One biological influence on gender is the role of genes in gender development. Everybody has 23
pairs of chromosomes in their body which contain genes. These instruct a person's physical and
behavioural characteristics such as eye colour and predisposition to certain mental illnesses. One…

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than females. When this is not the case and girls are exposed to high levels of testosterone then they
will often develop a "masculine" brain. This may be why David Reimer felt like a boy even though he
was raised as a girl; because he had a masculinised brain.



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