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Investigating Heritage by Testing DNA

Science has enabled the DNA of human beings to be tested for various reasons. The term DNA actually refers to a part of chromosomes of living organisms. The full meaning of the letters DNA is deoxyribonucleic acid. DNA can replicate to the unborn young one of a living organism of the same species. Relationships among different organisms can be established thanks to the self-replication feature of DNA.

One can deduce a lot of information about human beings from DNA testing. One of such things is paternity of a child. 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. They are important phenomena but are not as popular as paternity tests. Ancestry is one relationship that can be established using DNA testing. A genealogical test is the best suited to give such ancestral information. This type of test usually examines a person’s genome after unwinding the strand of a DNA chromosome. Unwinding of the strand must happen for the test to be done.

Genealogical DNA testing can help establish different results. The first one is ethnicity. Tribe is actually the other word formally used for ethnicity. Tribe refers to lineage descent from common ancestry. Establishing tribe leads to ease of unmasking ancestry.

Ancestry testing can also be used to test fossils. The origin of man has been an ongoing investigation in which scientists use DNA testing to find out more about it. Remains of human beings form an important parcel in this investigation. For the information to be complete, DNA testing must be done on such remains to establish any similarities with currently living people. This helps in establishing lineage and ancestry.

Ancestry testing can establish geographical origin of a species. The age of remains of human beings can also be established though with approximation from such genealogical DNA tests. So, which part of a human body can be used during the DNA testing process? Well, most times, blood is used in DNA testing. Blood is however not the only specimen that can help in DNA testing. It is possible to find out a lot of information about human being relationships by using DNA that has been taken from human hair. Scientists have established that one can uses saliva as well as other body fluids to carry out DNA tests.

Attributed by: go