nes of genetically modified somatic cells, fate maps can be plotted to trace relative positions of precursor cells for structures present later in life, and trace growth patterns. Drosophila, as an experimental animal, offers a wide range of experimental possibilities to geneticists and others in many fields of biological science.
Drosophila melanogaster has proved useful in looking at human disease etiology (Bier and Reiter, 2001). These researchers have found 714 human gene counterparts in Drosophila, including genes for primary
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