DNA Ancestry Testing
It is possible to test human DNA to establish different aspects using science. A part of chromosomes found in living things is actually what is referred to as DNA. 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. Replication enables people to be able to use DNA as a method for testing for relations withing living beings.
There are many things that can be established from DNA testing. Among this things is paternity tests which are very common. Cases that require paternity testing in the world are many hence the popularity of this type of DNA testing. 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.
Other aspects about human beings can be established by testing DNA. Though not common, these phenomena are very important about human beings. One such phenomenon is ancestry testing. Ancestral information can be well established by using genealogical tests. The genome of a person is examined form a DNA strand to establish ancestry. Unwinding of the strand must happen for the test to be done.
Several results can be deduced from genealogical DNA tests. 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. Ancestry can easily be deduced by establishing tribal lineage.
Fossils can be tested using ancestral DNA testing. DNA testing has been vital in establishing origins of mankind scientifically. Remains of human beings form an important parcel in this investigation. Such fossil remains give ideas about how those people of the past related with modern day human beings. This helps in establishing lineage and ancestry.
The geographical origin of any species can be established by using genealogical tests. The age of remains of human beings can also be established though with approximation from such genealogical DNA tests. 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. 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.
Supporting reference: look at this site