https://www.livescience.com/40247-ashkenazi-jews-have-european-genes.html

if they keep mixing with the same race for many generations eventually they are the race they mix with

europeans are very diverse genetically in the narrow band of diversity in human genes

humans share about 99.9% of our genes with other humans leaving about 0.1% to play race in

https://thednatests.com/how-much-dna-do-humans-share-with-other-animals/