A lighter shade of brown: the Dan MacArthur chronicles, not a Romani

Pakistani honor guard

A few days ago I suggested that Dr. Daniel MacArthur might have South Asian ancestry. Now, when confronted with surprise the best option is to stick with your prior assumption, unless that surprise is powerful enough for you to “update” your model. After a few days of further analysis I will update: I do think Dan MacArthur has South Asian ancestry. Dienekes dug further, and noticed that there are hallmarks of “Ancestral South Indian” ancestry along the first 2/3 or so of chromosome 10. Now, you do have to remember that this genomic region is only half South Asian. The other half is European. But in any case, one question that some people brought up: perhaps MacArthur has Romani heritage? I'm skeptical of this partly because: 1) there weren't that many Romani in Britain in the 19th century 2) The British Romani are already very highly admixed ...