Many plants today orginate from the wild mustard plant and were created by artificial selection : r gardening Plantes et Parfums In pea plants, purple flowers are dominant over white flowers. Two plants, both heterozygous for the gene that controls flower color, are crossed. What percentage of their offspring will have purple flowers? Hamburg im Regen: Gewchshaus Planten un Blomen, Elbville Hamburg Companion Elbville