Eli5:what’s the cause of someone being right or left handed? And why the vast majority is right handed?

Question

Eli5:what’s the cause of someone being right or left handed? And why the vast majority is right handed?

In: Biology

Answer 1

I’m a lefty. My mom is a lefty and her father was also a lefty. My father is also a lefty lol. I’m a graphic designer and my mom is super artistic as well. So there’s got to be some genetic component involved.