Do identical twins have identical voices?

It varies. My stepbrothers were similar enough as kids and teenagers that if they tried to sound alike, I couldn't tell the difference (assuming I wasn't looking at them). read more

Almost identical. I have an identical twin and sometimes when I hear my recorded voice, I can't decide if it's me talking or if it's her. If we call our parents from unknown numbers, nine times out of ten, they can't identify which one is calling. My brother is an exception, though; he has almost always been able to tell us apart even on the phone. read more

I know most identical twins have slightly different voices (you pick up on it quickly though), but I'm an identical twin, and people have told me that me and my sister sound pretty different. My voice is deeper. read more

However, not all identical twins look the same, this is due to environmental factors: If one twin ate very little, and the other ate a lot, the genetic makeup would not stop one being skinny and the other being fat, so strictly speaking identical twins don't have to look the same. read more