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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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Are genes related to nose bleeds?
     William Gahl, M.D.: Studying rare inborn errors of metabolism through the observation and treatment of patients in the clinic and through biochemical, molecular biological, and cell biological investigations in the laboratory. His lab focuses on a number of disorders, including cystinosis, Hermansky-Pudlak syndrome, alkaptonuria, and sialic acid diseases. Hi, In a way, yes. Some people have nosebleeds because their platelets are defective, and that can occur because of genetic defects. Platelets help us clot our blood, and low or defective platelets lead to nosebleeds, bruising, and prolonged bleeding when you get a cut. By the way, the medical term for nosebleed is epistaxis. For advanced credit, look up Hermansky-Pudlak syndrome! I guess if you have genes that cause aggression, this could get you into fights, which can be related to nosebleed!
Alpharetta High School in GA (9th grade student)


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