In one embodiment of the invention, the first step in “crossing” comprises planting, often in pollinating proximity, seeds of a first and second parent corn plant, and in many cases, {HEAD ~ seeds} of a first corn plant and {TAIL ~ a second, distinct corn plant} 
of
In one embodiment of the invention , the first step in “ crossing ” comprises planting , often in pollinating proximity , seeds of a first and second parent corn plant , and in many cases , { HEAD ~ seeds } of a first corn plant and { TAIL ~ a second , distinct corn plant }
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