Genetics and Molecular Biology
Introduction Genetics is the study of heredity and the variation of inherited characteristics. Molecular Biology is the branch of biology that deals with the structure and function of the macromolecules (e.g. proteins and nucleic acids) essential to life. Genetics and Molecular Biology considers to the results of original research in genetics, evolution and related scientific disciplines. These branches of science have been achieving growth and development in the recent years.
DNA in Genetics and Molecular Biology acid (DNA) is a molecule that carries the genetic Deoxyribonucleic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.
Molecular biology concerns the study of biological activity between various components of a cell like the DNA and RNA.
A gene is a segment of DNA that is passed down from parents to children and confers a trait to the offspring. Genes are organized and packaged in units called chromosomes. Thus DNA is collectively a part of genetics and molecular biology.
Structure of DNA (The Double Helix) DNA is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine).
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