One strain of periwinkle plants has green leaves and another strain has white leaves. Both strains are true-breeding. You do not know if the phenotypic difference is due to alleles of a nuclear gene or an organellar gene.The two strains were analyzed using reciprocal crosses, and the following results were obtained:A plant with green leaves is pollinated by a plant with white leaves:all offspring have green leaves.A plant with white leaves is pollinated by a plant with green leaves:all offspring have white leaves.Is this pattern of inheritance consistent with simple Mendelian inheritance, where green is dominant to white, and/or is it consistent with maternal inheritance?