How are the varieties of apples that account for 90 percent of the apples sold in U.S. grocery stores today propagated?

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The varieties of apples that account for 90 percent of the apples sold in U.S. grocery stores today are propagated through grafting. This method ensures that the new plants maintain the exact genetic makeup and characteristics of the parent plant, which is crucial for preserving the specific qualities of each apple variety.

How Are the Varieties of Apples That Account for 90