Artificial RNA with a known base sequence was added to a medium containing bacterial ribosomes and a mixture of amino acids. By chemical identification of the resulting polypeptide, researchers could discover the:

3. in the fruit fly, recessive mutation brown, b, causes brown color of the eye and absence of red pigment. recessive mutation p of another independent gene causes purple color of the eye and absence of brown pigment. the cross of a brown-eyed female and purple-eyed male produced wild type eyes. what will be the colors and their ratio in f2?