Will, your mother shuffled, recombined and divided by two her X DNA to form ovulas. One of the resultant X was given to you. You thus received half of her X DNA but the X you have received is not exactly one of her original ones. A woman received the X of her father integrally. His X does not recombine Jacques ----- Original Message ----- From: "Wjhonson via" <genealogy-dna@rootsweb.com> To: <genealogy-dna@rootsweb.com> Sent: Wednesday, October 14, 2015 12:50 PM Subject: [DNA] X-inheritence > My mother and her female first cousin share 52 cms on the X > > My mother passed to me (a male) her entire X intact > > Should not I also share exactly 52cms on the X with this same female first > cousin? > > If not, why not? > > Will > > ------------------------------- > To unsubscribe from the list, please send an email to > GENEALOGY-DNA-request@rootsweb.com with the word 'unsubscribe' without the > quotes in the subject and the body of the message > --- L'absence de virus dans ce courrier électronique a été vérifiée par le logiciel antivirus Avast. https://www.avast.com/antivirus