Genetic genealogy generates compelling questions as people around the world attempt to understand haplogroups, ethnicity, and genetic matches. DNA Q&A has curated actual questions from real people who've sought to better understand DNA via the Family History Fanatics YouTube channel, eConferences, and live presentations. Is your question, or something similar, in the book? Find out the answer to it and more! "What is the best testing companies for adoptees?" "FAMILY TREE DNA now accepts imported data from the other services. Wouldn't that make their database potentially the best overall?" "Why did I receive completely different ethnicity results when I uploaded my AncestryDNA results to GEDmatch.com and MyHeritage?" "My brother and I sent our samples into AncestryDNA recently. We have the same biological parents, but our results were significantly different. Isn't genetic testing no better than astrology?" "On 23andMe in DNA relatives, a woman is my father's half-sister. He doesn't have a half-sister. What is going on?"