Day: November 30, 2018

DNA cM Across Four generations

How does DNA pass on over four generations?

Blaine Bettinger has done some great work in gathering data on shared cM as part of his Shared cM project. But how about looking at a single family? How do some of those Shared cM amounts line up? Before Blaine’s shared cM project, we just had percentages based on DNA halfing each generation. Because of […]

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