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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What is a codon?      Heidi Parker, Ph.D.: Comparing the dog genome to the human genome in an effort to answer questions about disease in both dogs and humans. A codon is set of three nucleotides on a strand of DNA or RNA that codes for a single amino acid. This is the way DNA code is translated into a protein. Alpharetta High School in GA (9th grade student)

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