Some individuals are able to bend their thumb back at the distal joint at 50° or more Human Heredity.
1 This is Jeopardy Evolution 2 Category No. 1 Category No. 2 Category No. 3 Category No. 4 Category No. 5 100 200 300 400 500 Final Jeopardy.
a process of change through time evolution explains the differences in structures, function, and behavior among all life forms.
Some individuals are able to bend their thumb back at the distal joint at 50° or more