Are the chances of getting a boy or girl equal?

Question

When a woman is pregnant, is the chance of having a girl or boy equal 50/50? Or are there like some biology stuff determining the odds?

In: Biology

Answer 1

I (make) have 4 brothers and no sisters

My dad has 2 brothers and no sisters

My uncle has two sons and no daughters

My grandpa has 2 brothers and no sisters

So on a personal level the answer feels like “hell to the no”