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What is the source of data in international biological data bases like Genbank and what is it meant for?

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    $\begingroup$ The data sources of GenBank, and the intention of GenBank are stated on their welcome page: ncbi.nlm.nih.gov/genbank $\endgroup$
    – tsttst
    Dec 29, 2018 at 18:49

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The data comes from scientists who gather data in their labs, such as DNA sequences. It is meant for a number of purposes. First, if science is to repeatable, these data can be checked against other data to see if the conclusions of a paper are valid. They are also used to reduce redundancy in data collection (sequences already exist for a particular species at a particular location, then perhaps further sequencing efforts might be better spent on another species or location). Finally, they can be used as raw data in asking new research questions.

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