Medical Genetics Consider the following: One locus for height, with three alleles. Allele h2 adds 2 inches to the average 68-inch height. Allele ho neither adds nor subtracts from the average height of 68 inches, And allele h- subtracts 2 inches from the average height. Suppose ho is twice as frequent as either h2 or h-Medical Genetics Consider the following: One locus for height, with three alleles. Allele h2 adds 2 inches to the average 68-inch height. Allele h0 neither adds nor subtracts from the average height of 68 inches. And allele h- subtracts 2 inches from the average height. Suppose h0 is twice as frequent as either h2 or h-