Of what value is the knowledge of these genomes? How are they being used within the scientific community? The first fully sequenced genomes included the fruit fly, a worm, and a number of bacteria and yeast. One of the first analyses performed was to simply compare the sequences between organisms, in order to identify what is shared in common and what is different. This allows the very specific comparison of organisms that will enable the refining of phylogenic relationships. This kind of information is also very valuable for asking questions about how organisms have evolved, how they adapt to different circumstances, and what gene products contribute to their survival in various environmental conditions.
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