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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can your grandparents have the same dna as you
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Phyllis Frosst, Ph.D.: Some of your DNA can be the same as your grandparents, technically as much as 1/4. In reality, every time 2 people's DNA combines to make a child, alterations happen in the DNA that makes small changes or rearrangements. |
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