2012 National DNA Day Online Chatroom Transcript

This is just one question from an archive of the National DNA Day Moderated Chat held in April 2012. 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 animal has the most DNA?      Jennifer Walsh: I am currently a genetic counseling student at the Boston University Master's Program in Genetic Counseling. My clinical experience includes preconception, prenatal, pediatric, and cancer genetic counseling. I also have experience working in a molecular diagnostic laboratory. The marbled lungfish (Protopterus aethiopicus) has the most DNA of any animal. It has approximately 133 billion base pairs (compared the human who has about 3 billion base pairs!) Peru High School in IN (9th grade student)

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