2005 National DNA Day Online Chatroom Transcript
This is just one question from an archive of the National DNA Day Moderated Chat held in April 2005. 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 their any chemicals that can alter your DNA?
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Donna Krasnewich, M.D., Ph.D.: There are chemicals called mutagens or teratogens that may change the physical nature of the DNA. Remember that much of the time these chemicals work in a random manner, this means that it may not affect a gene that makes a change in the physical appearance of any individual. |
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