The anthocyanin coloration of tubers in potatoes is determined by the main genes responsible for the synthesis of anthocyanin – P and R. But they can manifest their effect only in the presence of the dominant allele of the gene D. pink – ppR_D_. In all other cases, the plants have white tubers. A plant heterozygous for the PhD genes with red-violet tubers was pollinated with the pollen of a white-tuberous plant heterozygous for the P and R genes. What could be the offspring from such a crossing?
Plants with pink, red-violet and white tubers in a ratio of 1: 3: 4.
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