DNA works by storing information that tells the body how to develop, survive and reproduce cells. DNA sequences are made up of four types of nucleotides: adenine, thymine, cytosine and guanine. Information in DNA is stor... More »

Ancestry DNA takes a small sample of saliva and uses autosomal testing to find both paternal and maternal ancestors. Most genetic testing focuses on the Y-chromosomes, which are male genetic markers, or on the mitochondr... More »

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Indentigene is a brand of DNA tests that work by amplifying or copying the DNA, according to the company website. Identigene sells DNA tests for the purpose of establishing paternity. More »

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DNA Polymerases are a group of enzymes used by the body to replicate DNA molecules to make new double-stranded DNA. These enzymes assemble the necessary nucleotides, helping them pair up to create new DNA. More »

www.reference.com Science Biology Molecular Biology & DNA

The primary purpose of DNA is to store hereditary information within the cells of all living things. It is a molecule that encodes the genetic instructions used in the development and functioning of all known living orga... More »

DNA polymerase II is a type of DNA polymerase: a category of enzymes that synthesize identical copies of existing DNA, allowing dividing cells to pass this genetic information on to their daughter cells. DNA polymerase I... More »

RNA and DNA are both molecules containing the genetic information that is necessary for life. Both molecules are composed of nucleotides, which are chemical structures consisting of a sugar, a phosphate and a nitrogenous... More »