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By measuring these mutations in a representative population of living men, Dorit said, "it is possible to calculate backward in time to a point where all humans shared the Same male ancestor."Mexico has between 8 to 10 million Indians divided into 56 recognized ethnic and language groups and speak daily over 100 different dialects, although some are spoken by only a few people.Some groups, such as the Nashuas, Mayas, Zapotecs and Mixtecs, number in the hundred thousands and dominate the population of entire regions of the country, though they are often fragmented into small communities.
This is interestingly the same time period that other researchers give for the African Eve.
Common male ancestor by seeking genetic mutations in a specific part of the Y chromosome, which is passed only from father to son.
But in many cultures, pride of bloodline itself was sufficient reason to keep the records straight, whether on paper or passed on orally.
Most Americans of ethnic background question the probable success of compiling a family tree. Unfortunately the hardest ethnicity's to research are Native Americans and African Americans, with written records going back 150 years; then Greek and Irish back 200 years; English, 300 years; Scots, Scandinavian, French and Italian are all 400 years; Germanic and Slavic, 500 years and Swiss 600 years.
The medical revolution in gene hunting has also lead to theories in anthropology suggestive of the biblical Adam and Eve story.
A study tracing the genetic roots of humanity suggests that the first common male ancestor-the father of us all, some might call him -- evolved 270,000 years ago.
On September 1, 1990, the first individual to receive genetically engineered cells was a child named Ashie de Silva.
Suffering from a defective immune system, Ashie's immune system was altered by gene therapy.
S., 1636 Spanish Sea Trade, 1638 Honduras, 1674 Dangerous Sea Trade, 1715 Connecting with Texas Indians, 1717 Banking, Texas Style,1734 Crown of the Andes,1750s Hispanic Inventor, 1773 Spain's Role in the American Revolution Count Bernardo de Glvez, 1779 Hispanics in Hawaii,1794 Historic Bell of Los Angeles, 1820 Pablo Tac, 1841 Sister Mary Domnica Arguello, 1851 Santa Anna and Chewing Gum, 1860 The Basque, 1860s Elfego Baca, New Mexico Gunfighter,1865 David Belasco, Theater 1880s Monterey Jack Cheese, 1890s Fraudulent Land Claims, 1895 Cuban Hospitals and Doctors, 1902 A Pancho Villa Story, 1912 Filipino World War II Vets, 1941 Genealogy, the study of one's family history is one of the most popular hobbies in America today. From Mayan steps to Egyptian tombs, from the Bible's Genesis to the European kings, records have been kept in one form or another throughout the world.
Records for purposes of land and property rights were needed to insure the passing of one's wealth to one's posterity.