Biotechnology and its Applications (part-2)

Insertion of genes into an individual’s cells and tissues to treat diseases especially hereditary diseases is called as gene therapy. The mechanism of gene therapy is based on the replacement of a defective mutant allele with a functional one or gene targeting which involves gene amplification.

Biotechnology and its Applications (part-2)
Biotechnology and its Applications (part-2)

How important the chapter Biotechnology and its Applications is? How many marks carried by the chapter Biotechnology and its Applications in class 12 board examinations? Why we study the chapter Biotechnology and its Applications? Give two examples of GMO. What is Bt cotton? What are Cry I AC, Cry II AB and Cry I AB?

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Insertion of genes into an individual’s cells and tissues to treat diseases especially hereditary diseases is called as gene therapy. The mechanism of gene therapy is based on the replacement of a defective mutant allele with a functional one or gene targeting which involves gene amplification. Viruses that attack their hosts and introduce their genetic material into the host cell as part of their replication cycle are used as vectors to transfer healthy genes or more recently portions of genes.

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