In four o'clock plants, many flower colors are observed. In a cross involving two true-breeding strains, one crimson and the other white, all of the F₁ generation were rose color. In the F₂, four new phenotypes appeared along with the P₁ and F₁ parental colors. The following ratio was obtained: 1/16 crimson 4/16 rose 2/16 orange 2/16 pale yellow 1/16 yellow 4/16 white 2/16 magenta Propose an explanation for the inheritance of these flower colors.