Time: 4 minutes
The video narrator, Trace Dominguez, discusses why DNA can't explain all inherited biological traits.
He explains that new research from the University of Edinburgh in Scotland indicates that histones can control whether or not genes are expressed or switched on. The study shows that the histones are inherited and can affect gene expression in the next generation.
He says that an individual's stress can affect his or her children and grandchildren.
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In high school, you might've learned the basics of DNA. Does it really define who you are, or is there more to it?
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