In radishes, flower color may be red, purple, or white. The edible portion of the radish may be long or oval. When only flower color is studied, no dominance is evident, and red white crosses yield all purple. If these F1 purples are interbred, the F2 generation consists of 1/4 red: 1/2 purple: 1/4 white, Regarding radish shape, long is dominant to oval in a normal Mendelian fashion. (a) Determine the F1 and F2 phenotypes from a cross between a true-breeding red, long radish and a radish that is white and oval. Be sure to define all gene symbols at the start. (b) A red oval plant was crossed with a plant of unknown genotype and phenotype, yielding the following offspring: 103 red long: 101 red oval 98 purple long: 100 purple oval the genotype and phenotype of the unknown plant. oter

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Angiosperm Reproduction

The process of sexual reproduction in flowering plants is known as angiosperm reproduction. In flowering plants, reproduction begins with pollination, or the transfer of male gametes (pollen) from the male reproductive organ (anther) to the female reproductive organ (pistil), and ends with fertilization of the female gametes (egg), which produces a zygote, which then grows to become a mature plant.