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The DNA Test

7/26/2012

2 Comments

 
I turned on my phone this morning while making breakfast (don't judge me), opened my email and expected to see the normal accumulation of junk mail from the overnight hours.  Among that junk, though, I see one that says "Your DNA results are ready."  Yay!  Several weeks ago, I purchased a DNA testing kit from Ancestry.com.  I spit in a tube (again, no judging allowed) and sent it off to the lab.  Here are the results:
Picture
Source: Ancestry.com
Ok, so I was not at all surprised at the big chunk of "Eastern European."  Both of my dad's parents were children of Polish immigrants, and my mom's dad was the child of Croatian immigrants.  Now, the "Central European" made a little bit of sense to me, because my great-grandmother was from Milan, Italy, which is in northern Italy not far from Switzerland.  Plus, both Croatia and the area in Poland where my great-grandparents were born are pretty close to where the Central and Eastern regions meet, so I figure there may have been some genetic influence there. 

I was NOT expecting to see the Persian/Turkish/Caucasus region anywhere in my genetic makeup.  Actually, my first reaction when I saw the pie chart was, "Oh great, they messed up my test and the results are inaccurate."  Then, I started to get a little more analytical and did some research.  I looked at the map and started to think about my great-grandpa Licciardi, who was born in Palermo, Sicily, which appears at first glance to be isolated from any of the genetic regions highlighted.  I do a little Google-searching about Sicily and its history.  The more that I read, the more I begin to realize that, genetically, Sicilians are some of the most diverse people in Europe.  It's a large island, situated right in the middle of the Mediterranean Sea, which, for thousands of years was the main conduit for travel, trade, and conquest for most of Europe, northern Africa, and western Asia.  Even today, evidence of the island's unique history remains in some of the island's older architecture.  This is a photo from a wall in the city of Palermo:
Picture
Picture
San Cataldo Church in Palermo (built 1154) shows both Norman and Arabic architectural influences.
Palermo was conquered by Arabs in the mid-800s AD and Sicily became an Arab emirate in 965 AD.  A little over a hundred years later, the Normans moved in and took Sicily from the Arabs.  After a short period of coexistance between the Christians and Muslims, fighting and an intolerance for Islam developed from the late 1100s to early 1200s and the Muslims were given the choice to leave or convert to Christianity.  Many Muslims left Sicily at this time, but some remained, converted, and assimilated with the native Sicilian population.  Following the Normans, Sicily was ruled by German, French, and Spanish nobilities before the unification of Italy in the 1860s.   

So, it's possible that that Persian/Turkish marker came from my Sicilian great-grandfather, but I'll probably never know for sure.  And my 23% of "Central European" also may partially come through my Sicilian roots as well, considering the influences of various western European kingdoms in Sicily after the Arab influence had mostly waned. 

This DNA test is different from others out there in that it traces both your matrilineal and patrilineal lines by looking at the makeup of all 23 chromosomes, looking at 700,000 locations in the DNA.  Ancestry.com claims that results are at least 98% accurate.  If one of my siblings were to have their DNA analyzed, the results would probably be similar, but not exactly the same, because a person does not inherit genes from her mother and father equally (50/50).  In fact, we can have ANY combination of our parents' genes in our DNA (40/60, 15/85, 96/4...you get the idea), and THEY have inherited some unknown combination from their parents, and so on and so on as you go back through the generations.  Mother Nature is a wacky gal.

Ancestry.com claims that the results of my test may change slightly as they acquire new DNA data that they are continually collecting from people all over the world.  That's fine; I didn't expect it to help me find specific names of my ancestors or anything detailed like that.  I mostly did this for fun, but it has certainly changed my perception of what a European heritage can look like and it has driven me to learn more about my great-grandfather's homeland. 



©2012, copyright Emily Kowalski Schroeder
2 Comments
Susan link
3/13/2013 09:00:40 am

I have the same thing with the DNA results - Persian/Turkish/etc. I'm not surprised because me, my mother & my grandfather have always been asked what country we're from. We have dark eyes, dark black hair & and olive skin. However, unlike most people, I knew that something like this would show up....I can't find it in my Ancestry.com tree but I know/knew it was there because we didn't get this coloring from my Irish & English ancestors. Can't wait to see how this all resolves itself.

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Emily Schroeder
3/13/2013 09:33:42 am

Thanks for stopping by to read my post, Susan. Yes, my mom and grandma both had/have very thick dark hair and dark eyes. I even have a very yellowish undertone to my skin, despite having so much Eastern European in my DNA. I do hope someday to be able to trace my tree back and find out for sure.

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    Emily Kowalski Schroeder

    Emily Kowalski Schroeder

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