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Bio - Book Report/Review Example

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As science go, genetics is young, yet for thousands of years people have sought answers to questions about inheritance. Scientifically…
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Download file to see previous pages In 1900, with the description of cell structure and cell division a solid framework appeared and Mendels principles paved the way for the era of genetics and its understanding.
The spectacular unfolding of all the modern genetic concepts has taken less than a century. Genetics moved from the obscure units or "factors", now called "genes", segregating and assorting independently of each other in nuclei of cells. Further, the discovery of DNA (deoxyribonucleic acid) was formulated as the chemical basis of heredity. An understanding about genes took a new paradigm from vague understanding of relationship between units of inheritance, the genotype and the physical appearance of the individual called the phenotype. It is deciphered that genes carry coded information in the cells which are responsible for the formation of proteins and hence other macromolecules. Further it was postulated that any alteration in the structure of genes could result in the variation of proteins affecting normal physiology of an individual. Such alterations are called mutations. Mutation can occur in a natural way or induced either by artificial agents or by means of various new techniques called genetic manipulation.
Today, molecular technology allows manipulation of genetic material, this has opened entirely new vistas on the fact how genes work, how they are being regulated and how genetic defects can be detected, modified or corrected. Thus genetics is more than a conceptual science; it is a vital and dynamic science that touches all facets of our being. One of the most imperative genetic technology emerged to bring a revolution is Genetic Engineering (GE). GE is a methodology devised to manipulate or modify genes by altering their genetic code, all the way through artificial means generating transgene. The process differs from traditional selective breeding which differs from the natural selection ...Download file to see next pagesRead More
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