Female X-DNA Inheritance Chart Unlocking the Genealogical Secrets of the X Chromosome
http://thegeneticgenealogist.com/2008/12/21/unlocking-the-genealogical-secrets-of-the-x-chromosome/
Male X-DNA Inheritance Chart Unlocking the Genealogical Secrets of the X Chromosome
http://thegeneticgenealogist.com/2008/12/21/unlocking-the-genealogical-secrets-of-the-x-chromosome/