Credit: Kateryna Kon/Science Photo Library/ What is DNA, and how does it work? You don't need a degree in ...

DNA sequencing is any chemical ... replicative synthesis in the presence of dideoxy nucleotide chain terminator monomers has now given way to 'next generation' sequencing by short parallel ...

DNA can be cut up and separated, which can form a 'bar code' that is different from one person to the next. The basic units (monomers) of DNA are nucleotides. These nucleotides consist of a ...