No, gender differences are not predetermined. Gender is not simply a matter of biology but also of culture and society. While there are some physical and hormonal differences between men and women, these do not account for all of the gender differences that we see.

Gender is also shaped by our environment, including the way that we are socialised. From a young age, boys and girls are taught different things about what it means to be male or female. This can have a significant impact on our gender identity and our behaviour.

For example, boys are often encouraged to be tough and athletic, while girls are encouraged to be gentle and nurturing. This can lead to boys being more likely to take risks and girls being more likely to be afraid of failure.

It is important to remember that gender is not a binary concept. There are many different ways to express gender, and not everyone fits into the traditional categories of male and female. Some people may identify as transgender, non-binary, or another gender identity.

It is also important to challenge gender stereotypes. We should not assume that all men are good at math or that all women are good at cooking. Everyone has their own unique talents and abilities, regardless of their gender.