Researching one’s DNA ancestry is a fascinating project. Studying your own DNA or the DNA of your close relatives can be life-saving. However, MODIFYING the DNA of anyone or anything is a very scary topic! Even though it sounds like science fiction, DNA modifications are already being done and undoubtedly this field of science is going to expand.
Details may be found in an article by Nell Greenfield-Byce in the NPR web site at: https://tinyurl.com/eogn190924a.