The first and only man to have mapped his own DNA is
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Craig Ventor
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George orwell
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Tom Green
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Hamelin
A
Correct answer
Explanation
Craig Venter (note spelling variant) was the first person to have his personal DNA sequenced through his company Celera in 2000, racing against the Human Genome Project. George Orwell is a writer, while Tom Green and Hamelin are not genomic scientists.