7.1) >10% is occupied by transposons in A.thaliana.
7.5.) T. nigroviridis chromosome 17 has substantial regions of synteny with human chromosome 10. Also some regions in chromosome 15 show a certain level of syntheny.
7.7) This suggests that the variation is being bred out of them so the amoun of variation in the nuclear genome is way below normal, and you can tell this by the fact that the mitochondrial rate is always higher than nuclear unless an aritifical selction is occuring.
7.9) If any, I think the crops, depending on the species and variety would be able to survive if released into the wild. The rest of the species are too tame and domestciated to be able to survive with the natural species any longer.