Have you ever seen doppelgangers though? They're like twins in resemblance but are not related.
I have seen quite a few. Non related look alikes that aren't twins are called doppelgangers. I have a few of them,
My cousin just gave birth to twin boys Neat, so she has two offspring from the same pregnancy now. Yeah, she had a daughter first but it's still an unexpected surprise. They're fraternal but I don't know what that means. I see, well that means that each of the twins is fertilized by a sperm cell. Oh I see, so it is not from one but two sperm cells. Do you happen to know how common twins are anyway? Well, in 2009, the twin birth rate was 33.3 per 1000 births. That is kinda crazy! But I dont think I have seen a pair in many years
Non-related look-alikes whose resemblance parallels that of twins are referred to as doppelgangers.