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.
Found This Helpful. DNA paternity testing examines DNA from a mother, child and father (or possible father). When a mother is unsure of who the father is or needs proof of paternity, a DNA test will confirm the father's identity. DNA tests are also used for adopted children.wab Testing. DNA testing requires a neutral third party to take the samples. This ensures that samples are not false or mixed up. A certified tester swipes one specialized swab to the inside of the child's mouth then uses new ones for each parent.