General Discussion
In reply to the discussion: If GMOs Are So Great, Then Label Them. [View all]Erich Bloodaxe BSN
(14,733 posts)Grafting does not give the fruit 50% of the genes of X and Y. It's still 100% of the one you graft. If I grow a 'dwarf' tree by splicing a red delicious branch onto a dwarf variety's rootstock, every apple growing above the rootstock is still red delicious, not some hybrid mix of red delicious and whatever the rootstock was. You have to grow apple trees of a specific variety from branches taken off of another tree, because the DNA in the seeds is a mix of who knows what, given that pollination takes place thanks to flying pollinators.
You ought to look up the Tree of 40 Fruit project. Each of the 40 fruits growing on that single tree has 100% it's own DNA, they don't somehow all mix just because they were all grafted onto the same rootstock.