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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934

During RNA transcription of DNA, does the RNA only use one side of the DNA to make its' copy? How does it know which side to use?      Jane Lee, B.S.: Jane Lee's area of focus at NHGRI is molecular biology and genetic counseling. Transcription happens on one strand of the DNA at a time (some times termed the + strand or the - strand). The promoter region on the DNA strand determines which strand is transcribed. Bald Eagle Area School District in PA (teacher)

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