Results of Comparative Serology
| Dilution | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Chimp | ++++ | ++++ | ++++ | ++++ | +++ | +++ | +++ | ++ |
| Gorilla | ++++ | ++++ | ++++ | ++++ | ++ | ++ | + | - |
| Orang | ++++ | ++++ | ++++ | ++ | +++ | ++ | + | + |
| Swine | - | - | - | + | - | - | - | - |
Aligned DNA fragment and first chromosome banding patterns for man (Homo sapiens), chimpanzee (Pan troglodytes), gorilla (Gorilla gorilla), and orangutan (Pongo pygmaeus).