Interestingly, research has now shown that genetic variation can occur within a single tree:
http://www.nature.com/news/tree-s-leaves-genetically-different-from-its-roots-1.11156
Just to throw a spanner in the works! Fascinating stuff.
Well of course, mutations occur in all living things - having worked in the field of disability I saw the results every day.
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Interestingly, research has now shown that genetic variation can occur within a single tree:
http://www.nature.com/news/tree-s-leaves-genetically-different-from-its-roots-1.11156
Just to throw a spanner in the works! Fascinating stuff.
Well of course, mutations occur in all living things - having worked in the field of disability I saw the results every day.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.