The f1 generation differed from the f2 in mendel's experiments in that __________. all of the f1 showed the dominant phenotype, and all of the f2 showed the recessive phenotype one-half of the f1 showed the dominant phenotype, and three-fourths of the f2 did all of the f1 showed the dominant phenotype, but only three-fourths of the f2 did none of the f1 showed the dominant phenotype, but one-half of the f2 did all of the f1 showed the dominant phenotype, whereas only half of the f2 did