मराठी
Tamil Nadu Board of Secondary EducationHSC Science Class 12

Revision: Principles and Processes of Biotechnology Botany HSC Science Class 12 Tamil Nadu Board of Secondary Education

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Definitions [2]

Define.

Biotechnology

The technique of bringing about improvements in living organisms by genetic modifications and hybridization, for the welfare of human beings is known as ‘Biotechnology’.

Definition: Hybrid Seeds

Seeds produced by recombination of genes from two different crop varieties to obtain improved characteristics, especially in fruits, are called hybrid seeds.

Key Points

Key Points: Biotechnology
  • Biotechnology is the use of biological systems, cells, and organisms to develop useful products and services for human welfare.
  • The term biotechnology was coined by Karl Ereky (1919).
  • Traditional biotechnology involves small-scale processes like fermentation (e.g., curd, cheese, wine), while modern biotechnology is large-scale and based on genetic engineering.
  • Modern biotechnology was advanced by recombinant DNA (rDNA) technology developed by Cohen and Boyer (1973).
  • It involves techniques like gene modification, PCR, and tissue culture, and integrates fields like molecular biology and genetics.
  • Biotechnology has wide applications in agriculture and medicine, such as the production of antibiotics, vaccines, insulin, and the development of high-yield and disease-resistant crops.
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