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Unraveling the Science Behind Ethnicity Estimation. Posted by Julie Granka on October 24, 2013 in DNA, Science A small tube of your saliva can reveal a lot about your family history hundreds and even thousands of years ago.

Unraveling the Science Behind Ethnicity Estimation

At AncestryDNA, we study the DNA in that saliva – using sophisticated science – to reveal your ethnic origins. We recently announced an update to our ethnicity results which provides customers with a more in-depth look at where their ancestors once lived. How does the DNA in your saliva record your family history in the first place? To understand how, we’ll turn to language, since there are quite a few parallels with genetics.

Language and Geography You “inherit” your dialect, using similar phrases, sayings, and words as your parents and the people around you. You can see some clear geographic patterns. So if we met a person who called the sugary drink in their hand a “coke,” we could feel confident in guessing he was from the south. Back to DNA More simply, we construct a DNA map, similar to a soda/pop/coke dialect map. Blood of the Irish: What DNA Tells Us About the Ancestry of People in Ireland. The earliest settlers came to Ireland around 10,000 years ago, in Stone Age times.

Blood of the Irish: What DNA Tells Us About the Ancestry of People in Ireland

There are still remnants of their presence scattered across the island. Mountsandel in Coleraine in the North of Ireland is the oldest known site of settlement in Ireland - remains of woven huts, stone tools and food such as berries and hazelnuts were discovered at the site in 1972. But where did the early Irish come from?

For a long time the myth of Irish history has been that the Irish are Celts. Many people still refer to Irish, Scottish and Welsh as Celtic culture - and the assumtion has been that they were Celts who migrated from central Europe around 500BCE. Research into Irish DNA at the beginning of the twenty-first century suggests that the early inhabitants of Ireland were not directly descended from the Keltoi of central Europe. DNA testing through the male Y chromosome has shown that Irish males have the highest incidence of the haplogroup 1 gene in Europe.

American ethnicity map shows melting pot of ethnicities that make up the USA today. Census data shows heritage of 317 million modern AmericansClusters show where immigrants from different nations chose to settleLargest ancestry grouping in the nation are of German descent with almost 50 million people African American or Black is the second largest grouping with just over 40 million peopleAlmost 20 million people claim to have 'American' ancestry for political reasons and because they are unsure of their family's genealogy By Jessica Jerreat Published: 23:15 GMT, 1 September 2013 | Updated: 17:33 GMT, 2 September 2013 A truly captivating map that shows the ancestry of everyone of the 317 million people who call the melting pot of America home can now be seen on a U.S.

American ethnicity map shows melting pot of ethnicities that make up the USA today

Census Bureau map. For decades, the United States opened its doors and welcomed with open arms millions of immigrants who all arrived through New York's Ellis Island in the hope of a better life in America. Melting pot: This map shows the ethnic heritage of Americans. The biggest family history event in the world.