The production of French wine grapes (Vitis vinifera) that are resistant to plant lice was accomplished by
A) self-fertilization of resistant plants.
B) grafting the scion onto resistant plants' root stock.
C) recombinant DNA techniques using the resistance gene.
D) planting seeds in California, where there are no plant lice.
E) inserting cuttings, or slips, of the plants into California soil, where there are no plant lice.
Correct Answer:
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