Wednesday 16 January 2013

X-chromosome inheritance pathways

A match on my X chromosome narrows down the number of potential pathways down which the shared DNA was passed from our common ancestor to the following possibilities. The numbers in the last 2 generations are the standard ahnentafel numbers assigned to those particular ancestors:



A match on my Dad's X chromosome narrows down the potential pathways down which the shared DNA was passed from the common ancestor to the following possible pathways:


A match on my maternal aunt's X chromosome narrows down the number of potential pathways down which the shared DNA was passed from the common ancestor to the following possible pathways:
Additional blogs covering this topic can be found here: