Yes, but what EXACTLY is a centiMorgan?

Yes, but what EXACTLY is a centiMorgan?

Yes, but what EXACTLY is a centiMorgan? Michelle Hunter 19 September 2021 Ah, the humble centiMorgan. The pesky cM. That semi-upper-case abbreviation (or should I say aberration…) that causes much head-scratching among DNA test takers (and genealogy students!)....