2010 National DNA Day Online Chatroom Transcript

This is just one question from an archive of the National DNA Day Moderated Chat held in April 2010. 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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How often does DNA replicate?      Tracy Futch, M.S., Ph.D.: I am a genetic counselor working at DNA Direct in San Francisco. We provide genetic counseling as well as guidance and decision support for genomic medicine to patients, providers, and payors. DNA replicates once for every cell division. In humans, cells may divide frequently (like skin cells) or rarely (like brain cells), depending on the function of their tissue. Brownsville Area High School in PA (9th grade student)

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