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Investigating Heritage by Testing DNA

The DNA of human beings can be put under test scientifically so as to find out certain information about people. DNA is basically a component of chromosomes found in almost all living things. The initials stand for deoxyribonucleic acid. It is a component of chromosomes that has the ability to self-replicate from one generation of the organism to the other. This self replication feature is what makes it possible to use DNA as a form of testing for various relations in living organisms.

A DNA test can help to unearth many things about living organisms especially human beings. The most common of them is paternity testing. The number of cases that need paternity tests make this type of DNA testing quite popular. DNA paternity tests are tests done on a child and a man to test whether the child is actually a biological child of the man. 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. Though not common, these phenomena are very important about human beings. One such phenomenon is ancestry testing. 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.

Genealogical DNA testing can help establish different results. 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.

Ancestry testing can also be used to test fossils. DNA testing has been vital in establishing origins of mankind scientifically. Since remains of mankind have been located in different parts of the world, scientists have had to find means of testing them for ancient information. They use DNA testing to further investigate relationship of such remains with the modern world. Such facts can then lead us to conclusive information about ancestry.

Genealogical tests can also help in detecting geographical origin of a species. It can also give evidence of age of any remains of human beings. So, which part of a human body can be used during the DNA testing process? Well, most times, blood is used in DNA testing. However, there are other parts of the body that can be used in place of blood. 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.

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