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Teresa Truesdale Biol 101L Daniel Warren 7-1-03 Mutations and X-linked traits in Drosophila Melanogaster Introduction Drosophila melanogaster feed on plant sugars and yeast that grows on rotting fruit. This is also where it gets its more common name, the fruit fly. Females lay eggs on the same materials so that when the eggs hatch the larvae can feed on them also. There are four distinct stages in a Drosophilas life cycle: egg, larva, pupa, and adult. The larva goes through three stages called instars where it molts and grows. Then it becomes a pupa where metamorphosis occurs which produces the adult fly. Drosophila melanogaster are so popular when studying genetics because they have a short life cycle of 10-14 days, they are inexpensive to care for, and because they have numerous mutations that can be studied. In our experiment we are looking for three different types of mutations. The wild type is dominant which is basically gray with...

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