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.
3. Blood-Type Test. A blood-type paternity test can also help eliminate a potential father or determine if paternity is probable. The IDENTI GENE blood-type paternity test shows how ABO blood-typing and inherited-trait theory can be used to assist with answering paternity questions.