Q: Is chin a cladistic apomorphy? ¶
A: Yes, and partially defining anatomically modern humans as distinct from archaic forms.
Q: Are chins common among people originating from Europe and the Middle East? ¶
A: Yes.
Q: Is chin a layer of subcutaneous fat around the neck that sags down and creates a wrinkle? ¶
A: Yes, and making the owner appear to have a second chin.