by Katherine Plewes, Becky Wong and Leon W. Browder
This exercise is based on The Interactive Fly, which is a resource prepared by Dr. Tom Brody. The following links are designed to provide you with a basic understanding of Drosophila development.
Oogenesis Execute the "The Process of Oogenesis" link. This link provides an overview of oogenesis and discusses the genes involved. You are not required to execute the links to each of the genes, but you may do so if you are interested. Note that the genes involved in oogenesis are grouped according to the processes they affect.
Stages of development This module describes gastrulation and morphogenetic movements. Examine the accompanying images. They are taken from a paper by Turner and Mahowald. You are not required to execute the links to each of the genes involved, but you may do so if you are interested. Study (at least) the following images:
Formation of the adult fly: Read the discussion of fly formation. You are not required to execute any of the links.
Now, for your assignments...
Each Study Group is assigned to obtain information about one of the evolutionarily conserved pathways. Select one of the pathways that interests you and do the following (2.5 points):
1. Prepare a short description of a couple of the Drosophila
genes, including their roles in development of that organism.
Turner, F.R. and Mahowald, A.P. (1979). Scanning electron microscopy of Drosophila melanogaster embryogenesis. III. Formation of the head and caudal segments. Dev. Biol. 68: 96-109.
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credit is given to the original source.|
Leon Browder & Laurie Iten (Ed.) Dynamic Development
Last revised Wednesday, July 29, 1998