Chromosome 23 is your sex chromosome that determines if you are a man or a woman. A man inherits the Y from his dad and an X (in tact) from his mom. A woman inherits 2 Xs. So this is why you are seeing a full X on the 23rd chromosome. Cheri Cheri Mello Listowner, Azores-Gen Researching: São Miguel island: Vila Franca, Ponta Garca, Ribeira Quente, Ribeira das Tainhas, Achada
On Sun, Jun 30, 2019 at 8:39 AM Paul <[email protected]> wrote: > Hello all: > > I have a DNA question I hope someone with more knowledge can answer. > Myself and a few other family members tested with 23andMe. My oldest sister > (who is actually my half sister (different fathers)) and I recently > discovered we have a half brother. You guessed it, we all have different > fathers. While looking at mine and Dean’s (half brothers given name) shared > segments, how can we have completely identical match on the X chromosome > when we have different fathers? My paternal haplogroup is R-P311 while > Dean’s is R-CTS6. All three of us share the same maternal haplogroup > U5b....... > > Paul G. > > -- > You received this message because you are subscribed to the Google Groups > "Azores Genealogy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > Visit this group at https://groups.google.com/group/azores. > To view this discussion on the web visit > https://groups.google.com/d/msgid/azores/567b811c-56d7-42fa-a3b1-f964a9e72fdf%40googlegroups.com > . > -- You received this message because you are subscribed to the Google Groups "Azores Genealogy" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. Visit this group at https://groups.google.com/group/azores. To view this discussion on the web visit https://groups.google.com/d/msgid/azores/CAKUUw_EndLugcDHrbaqDEQ7oBAbgkuYmij5nD8_BKomq%3Dkk%2BjQ%40mail.gmail.com.
