4 ms·
The DNA indicates single common ancestor, with panspermia shouldn't there be multiple common ancestors?
by dvh 3y ago
The DNA indicates single common ancestor, with panspermia shouldn't there be multiple common ancestors?
- crthpl 3y agoNot if only one species came to earth.
- almostnormal 3y agoMultiple ancestors on earth would likely have had a common ancestor elsewhere and would probably be difficult to distinguish from a single ancestor on earth.