Genealogy

 Genealogical Applications for atDNA Exercises for Chapter 5 1. Sisters with an AncestryDNA test get results; one matches to a predicted third to fourth cousin; the other does not. Should they both match? Why or why not. They could both match, or neither. About 90% of third cousins are detectable DNA matches; only about half of fourth cousins cousins. 2. Fred is testing numerous relatives in an attempt to map his chromosomes. He shares no detectable DNA with Victoria, a seventh cousin, who is a descendant of fifth great-grandparents. Can Fred conclude that these Quincy ancestors are not in his genetic family tree? No, testing one distant relative with whom he is likely not to share detectable DNA proves nothing. It is simply a lack of evidence. 3. Roy and Mike share a single 6.43 cM segment of DNA. Which company or companies will show them as genetic relatives? Which will not. At the present time, none of the testing companies will show them as matches. While AncestryDNA reported match

 Chapter 4: Genealogical Applications for mtDNA Exercises. All the questions refer to diagrams in Appendix A: page 136 1. Which descendants shown inherited the mtDNA of Mary Ann (Smith) Jones (2) : 3, 4, 5, 11, 12, 21, 22, 33.  Mary Smith passed her mtDNA to all her children; 3, 4, 5 . Her son 3 Albert, did not pass his mtDNA to his children. His children got their mtDNA from their mother, 6. One daughter, Mary 4 , had only a son, 11 . That son had mtDNA from 2, but did not pass it to his children. They instead got mtDNA from his wife, their mother, 15.  Her daughter Emma, 5 , passed her mtDNA to her daughter Emma, 12 . Emma 12's daughter Mandy 21 gave the mtDNA from 2 to her daughter, Mandella, 33 . Emma Crocker 12 also passed mtDNA from 2 to her son Max 22 . Max had a daughter who had the mtDNA from her mother, 28.  2. Ira Gerball 20 died in Vietnam. ... Which people on the chart share the same mtDNA as Ira for purposes of identifying his remains?  Three people in the chart shar