When did the DNA become longer? Did it adjust by itself over time or was there cross pollination.
Cross pollination with what? It comes originally from rice. Are you suggesting that cross pollination between two maize breeds would make the DNA longer? I'm not sure that's how it works at all. It's not just pick a bunch of DNA and put it in a blender.
The DNA has become longer over long time, in small increments. That's how it works.
With poultry care has to be taken otherwise the rate of obvious deformities goes up. With the best selections the birds will be bigger or even smaller. Depends what is required.
And it's small changes over several generations. If birds get bigger or smaller would that mean they're less fit or more fit for how they are selected? According to Mendel's Accountant they can't be selected to become better, only worse. Right?
The genetic material is different, but is there more or less?
Sometimes more. Most times not changed much.
If a group of poultry became inbreed it could have a problem surviving eventually.
Only if you have cases of founders effect. Mendel's Accountant seems to be based on a strict founder effect bottleneck, and not much more. I read somewhere there's no example of admixture or drift in it. And I have a feeling epigenetics isn't in there either, nor transposons or retro-transposons or ERVs or ... Also, ecological systems are much more complex. It's not enough to just put a simple culture in one static environment without interactions. Stale water and such...
It would need a few different groups separated from each other and then introduced. How many groups that would be needed is unknown.
Correct. That's something you probably would do, and I suspect the software doesn't do this, but you can correct me on this if I'm wrong.
The maize could have crossed with a variety that actually died out. Or it died out itself. This could happen many times. When this happened the maize that died out introduced enough material to ensure the survival of the eventual corn plant.
So... you're saying that there were some kind of super-maize 50,000 years ago that has stayed almost unchanged until now, and the maize we have from 10,000 years ago somehow had a drastic reduction in gene material? That would contradict what you're saying even more!!! If it's supposed to decrease on a constant basis, how can it do it super-quick for the "wrong" maize we're testing against, but not decrease almost at all for the "right" maize up until our modern corn? It doesn't make sense at all. This would contradict your idea of reducing gene material completely.