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This is just enough to preserve the genetic material used to engineer an American chestnut tree with the minimal necessary genetic input from any of the disease-immune Asiatic species.

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Promote Demote Fragment Fix

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This is just enough to preserve the genetic material used to engineer an American chestnut tree with the minimal necessary genes from any of the disease-immune Asiatic species to confer resistance to the disease.

Edit
Promote Demote Fragment Fix

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