2008 National DNA Day Online Chatroom Transcript

This is just one question from an archive of the National DNA Day Moderated Chat held in April 2008. 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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Does bacteria have a little or a lot of DNA?      Shawn Burgess, Ph.D.: Studying developmental processes and their relation to human genetic disease. The answer is actually both! Some bacteria have relatively small genomes (around 1 million bases) Some have hundreds of millions of bases of DNA. It depends on the needs and complexities of each individual species. Palms Middle School in CA (7th grade student)

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