Want this question answered?
Well, to me i think no one is the greatest person cause everyone is equal and everyone has special abilities therefore there are not much for us to compare >.<
Genetics and age.
Genetics
cause hes cool
Nondisjunction in Meiosis 2
Genetics is the cause.
The cause of your nervous system is genetics.
The smallest toenail is always split vertically. Genetics.
cause animals differ from humans and they have different abilities and their abilities are based on their medical research
Genetics.Much like other body parts they can vary greatly from person to person. As others mentioned it is all about genetics. Though there are some aliments that can cause shrinking or extra growth.All of them don't. They vary just like penis size.
Genetics can cause this. But, today, the most common reason is being obese.
You don't. Unless your family's genetics cause you to be uncommonly hairy.