7. Summary of Bm Bt Pr backcross data

F1 genotype 0 1 2 1, 2 Total
+  bt pr 135  462 8  3 92  268 2  2 972
bm +  +   1.13% 37.04% 0.41%  
 
Bm-Bt = 1.5% Bt-Pr = 37.5%  

The inequality of the complementary classes is due to the poor germination of bt seed.