Biotechnology is a field of biology that involves the use of living things in engineering, technology, medicine, etc.. Modern use of the term refers to genetic engineering as well as cell- and tissue culture technologies. However, the concept encompasses a wider range and history of procedures for modifying living organisms according to human purposes, going back to domestication of animals, cultivation of plants and "improvements" to these through breeding programs that employ artificial selection and hybridization
PPT on Biotechnology Can be Found on
http://pptsearchengine.in/pptsearchengine?q=ppt+on+biotechnology&page=1
http://www.filedigg.com/fileSearch?q=ppt+on+biotechnology&view_type=singleview&site=site&page=1&as_filetype=ppt
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