Have you ever arrived in someplace new and felt like you have been there before? I think we carry memories of our ancestors in our genes. Given what people are learning about how environment and behavior affect how genes are expressed, and given that expression of genes might affect how people pass them on to their offspring, I think it’s no longer a big stretch to say that we carry bits of the environment of our ancestors in our DNA. I felt it in Scotland. In Ireland. And in Germany. And I definitely felt it in the Netherlands.

Based on my 23andMe results, about 50% of my DNA originated in people who came from northern western mainland Europe, in the region that is now western Germany and The Netherlands. (The other 50% is a mix of ancestry from Sweden, Scotland, Ireland, and Wales). This is not a surprise. My maternal grandfather was born in and spent the first 10 years of his life in the region that now forms the western border of Germany and the northeastern corner of Holland. My maternal grandmother’s family also originated in northwestern Germany before they became farmers in ‘South Russia’, what is now the Ukraine.
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