Deductive Chromosome Mapping: Applying it to other relatives

Recently, Blaine Bettinger, Ph.D., J.D (https://thegeneticgenealogist.com) gave a webinar on Deductive Chromosome Mapping. https://news.legacyfamilytree.com/legacy_news/2020/10/advanced-dna-techniques-deductive-chromosome-mapping-free-webinar-by-blaine-bettinger-phd-jd-now-onl.html My closest relatives and myself do not have siblings tested so visual phasing with siblings in not something I have worked with very often. After watching the webinar, I was inspired to try it with my Grandmother's cousins. Deductive chromosome mapping …

The Search for Great-Great Grandparents: Part 4-Conclusion

Search for Great-Great Grandparents: Part 1 Search for Great-Great Grandparents Part 2 Search for Great-Great Grandparents: Part 3 We look at the genetic results linking our DNA matches. MTDNA In my last post, I indicated that we have a GD2 full-sequence MTDNA match with my grandma's cousin and our DNA match. Tracing their maternal ancestor …

DNA Crash Course: Using GEDmatch

GEDmatch has a chromosome browser that allows you to compare multiple matches. If you aren't part of tier one, You can still compare using One to One matching. For a visual, you can use DNA painter to "paint" the matches. Once you have uploaded your DNA raw data to GEDmatch, begin here: GEDmatch 1:Many (Limited)   …

The Search for Great-Great Grandparents: Part 3-Genetic Evidence

Search for Great-Great Grandparents: Part 1  Search for Great-Great Grandparents Part 2 In Part 2, we discover a connection between the adoptive family and our DNA match's great-grand aunt, W. Jaroschewitz. We also discovered a record for an Alwine Jaroschewitz married to Friedrich Witt. Genetic Evidence: Last post, I left off with the question: Is …