Ancestry Death Records
Genetic genealogy is the application of DNA tests to determine the level of relations between individuals. Two Genealogical DNA ancestry DNA testing used in genealogical research.
One is the Y chromosome (Y-DNA) evidence and the other is the mitochondrial DNA (mtDNA) test. Here is a brief discussion on the science behind DNA ancestry or genealogy DNA tests.
Two DNA Ancestry
The idea of DNA testing lineage is based on the scientific fact that certain parts of the DNA of an individual are transmitted unchanged from father to son. The DNA of a Y chromosome is transmitted by a man his son unchanged, and the mitochondrial DNA of a woman went to her children the same.
Are your roots with the father of the Y chromosome (Y-DNA)
A male chromosome DNA (Y-DNA) should be exactly the same as his father, his paternal grandfather and other men in this line for thousands of years – we know that man passes a copy of his Y chromosome unchanged throughout the child.
However, scientific studies, we know that from time to time a small part of a random chromosome mutate or change when copied. If a child receives from his father and DNA with a small mutation or change, then the child will recover from this mutated or altered DNA-Y son that will overcome this mutated or altered DNA-and your child.
Search genealogist mutations or changes in determining the level of relations between the people and try to create a family tree, since each mutation or change is a branch of a tree that is slightly different from his father. And the DNA results can help you find primes determine genetic and geographical and ancestral origins.
Trace Your mother roots using mitochondrial DNA (mtDNA)
Both the son and daughters receive mitochondrial DNA (mtDNA) unchanged from their mothers, but only the girls can spend the mtDNA to the next generation.
MtDNA A woman should be exactly the same as your mother, grandmother and other women in this line for thousands of years.
However, scientific studies, we know that from time to time a small section of a random mitochondrial DNA mutate or change when copied. If a girl mtDNA her mother with a small mutation or change, then the child overcome this mutated or changed their mtDNA girls that happen in this mitochondrial DNA mutated or changed their daughters.
genealogical search to these changes or modifications to determine the level of relations between people and try to create a family tree, because every mutation or change is like a branch of a tree that is slightly different of his father. The mitochondrial DNA results can help find genetic cousins and determine the geographical origin or descent.
Test Results DNA
Scientists know that the sections of the Y-DNA and mitochondrial DNA have changed or mutated in most cases over the years to These sections of DNA are used as markers for DNA testing.
Based on the results of DNA marker tests of a person is assigned to a haplogroup which is composed of people with the same results of DNA testing. The two markers most people have in common, most are the cousins of genetics.
Ancestry Library Edition Genealogy Research in 2 Minutes
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