A tall violet flowered plant (TTVV) is crossed with a dwarf white flowered plant (ttvv). When the F1 plants are self-pollinated, a total of 1600 F2 plants are produced. How many plants of F2 generation are similar to the original parents in terms of both genotype and phenotype?
A tall violet flowered plant (TTVV) is crossed with a dwarf white flowered plant (ttvv). When the F1 plants are self pollinated, a total of 1600 F2 plants are produced. Among them, how many plants are tall with white flowers?