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DNA Ancestry Testing

Science has enabled the DNA of human beings to be tested for various reasons. DNA is basically a component of chromosomes found in almost all living things. DNA in full is deoxyribonucleic acid. DNA can replicate to the unborn young one of a living organism of the same species. Replication enables people to be able to use DNA as a method for testing for relations withing living beings.

A DNA test can help to unearth many things about living organisms especially human beings. One of such things is paternity of a child. Cases that require paternity testing in the world are many hence the popularity of this type of DNA testing. Tests for paternity basically seek to establish if a man is biologically the father of a given child. DNA testing is an almost 100% certain test for paternity in the world today.

There are other phenomena about human beings that can be established using DNA testing. They are important phenomena but are not as popular as paternity tests. One can establish the ancestry of human beings using DNA tests. This can be done using a genealogical DNA test. Ancestry in a genealogical test is established using genomes from DNA chromosomes. For this to happen, the strand is unwound at a specific position.

There are different findings that can be made from genealogical DNA testing. The first one is ethnicity. This is basically the tribe from which a person comes from. Tribe can be understood in different contexts though in most instances it refers to people with the same ancestry and speaking the same language. Having established which tribe one comes from, it is then easy to use the information to establish the ancestry of the person.

Fossils can be tested using ancestral DNA testing. DNA testing has been vital in establishing origins of mankind scientifically. By locating any remains of people in different locations on planet earth, they can have leads to such information. Such fossil remains give ideas about how those people of the past related with modern day human beings. Ancestry can thus be established.

The geographical origin of any species can be established by using genealogical tests. It can also give evidence of age of any remains of human beings. What part of the body is used during DNA testing? Blood is the most common specimen used in DNA testing in most parts of the world. It is not blood only however that can be used to deduce DNA encoded information. It is possible to find out a lot of information about human being relationships by using DNA that has been taken from human hair. Sometimes body fluids such as saliva have been found to have DNA than can also be used in genetic relationships testing.