New chart added. Original post updated with relevant information and links to download.
This new chart shows tribbles relative to the different effects they have. 'Zinc', as always, is in the position that it can be bred from as of posting. It's logical position in the Resistance line has been shown as an anomaly.
An Assumption that the user know s how to breed a 'Tuffli' has been made.
Available in two sizes:
1680x1050 and 1440x900. Both Widescreen.
Printer friendly versions to come...
This data is 100% based on IfniLuck's own superb flowchart, found here. Thank you IfniLuck.