Genetics is the branch of science which is associated with the study of genes including structural and functional characteristic of genes, behavior of genes, genetic distribution, heredity and its variation in different organisms. The issue of how the hereditary data in DNA regulates how an organism appears and functions has always been a concern in genetics. According to geneticists, population studies and molecular biology are both significant applications of the concepts and tools of genetics, which may be used to the entire range of biological activity.
A branch of biology that regularly intersects with a number of life sciences and is closely tied to the study of information systems is one that is usually considered. An organism's activities and development are influenced by genetics in conjunction with experience and environment. Gene records may be turned on or off depending on the extracellular or intracellular environment of a live organism or cell. Molecular Biology deals with the study of cells at the molecular level; it is related to the understanding of structure and composition of various bio molecules that are responsible for carrying out different biological processes. The histories of most scientific disciplines including genetics are generally characterized by relatively long periods of stagnation punctuated by bursts of rapid progress.

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