Expected handedness for Petruca panamensis is 50% right-handed and 50% left-handed
Observed handedness (based on raw totals across all data sets) is 40.00% right-handed, 60.00% left-handed
The following figure displays the left and right counts for each individual data set.
| Reference | Right Count | Left Count | Right % | Left % | Notes |
|---|---|---|---|---|---|
| Rosenberg (2000) | 4 | 6 | 0.400 | 0.600 |