It's not, at least not in my work. Funnily enough, not much with this one. With Ammonite and Slow River it was a different kettle of fish. I think one's voice has to do with one's experience. Some men have experiences similar to some women.
Some women have experiences similar to some men.
I don't think it's biologically programmed, but I do think one's propensity towards certain things in life is . About being ignored, or being stupid. Being less in some way, I suppose. The opposite, I think. I was one of those really irritating kids at school who was good at everything.