2006 National DNA Day Online Chatroom Transcript

This is just one question from an archive of the National DNA Day Moderated Chat held in April 2006. The NHGRI Director and many genomics experts from across NHGRI took questions from students, teachers and the general public on topics ranging from basic genomic research, to the genetic basis of disease, to ethical questions about genetic privacy.

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5734	How long is a DNA strand.      Shawn Burgess, Ph.D.: The answer is different for different organisms. In a single human cell if you stretched out all 46 chromosomes, it would be 6ft long.

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