![]() DNA can be damaged by a variety of factors, including radiation, chemicals, and viruses. ![]() This ensures that each new cell will have the same genetic information as the parent cell. DNA replication is the process by which a cell makes a copy of its DNA before cell division.This discovery revolutionized the field of genetics and led to a better understanding of how DNA is copied and transmitted from one generation to the next. The double helix structure of DNA was first discovered by James Watson and Francis Crick in 1953.The nucleotides in DNA are arranged in a specific sequence that determines the genetic information that is carried by the molecule.The nitrogenous bases in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T). DNA is made up of nucleotides, which consist of a sugar molecule (deoxyribose), a phosphate group, and a nitrogenous base.DNA Full Form – Meaning and Facts about Deoxyribonucleic acid.
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