Sodium is a chemical element with the chemical symbol Na. It is an alkali metal with the atomic number 11. We know that substances are made up of various atoms, and each atom has a specific chemical identity. It (an atom) is said to be chemical element, and has all the characteristics of that element.
Tax season discounts available now. DNA paternity testing determines the biological father of a child. We all inherit our DNA from our biological parents â half from our mother and half from our father. A DNA paternity test compares a childâs DNA pattern with that of the assumed father to determine if there is a match.
Best for Paternity Tests. There are three primary forms of commercial DNA tests: paternity tests, ancestry DNA tests and animal tests. All three follow similar analytical procedures but have very different purposes. If youâre looking to test your DNA, you obviously know your reason for doing so, which means itâs just a matter of finding which kit best suits your purpose.