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21. What is complementary DNA (cDNA) ?

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22. Name two genetically engineered microbes.

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23. What is the application of genetically engineered bacterium namely Pseudomonas putida ?

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24. Expand GEAC.

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25. How did the first transgenic cows Rosie differ from other cows with respect to the quality of milk ?

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26. List three critical research areas of biotechnology.

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27. Give the few characteristics of GMOs.

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Transgenics and their Potential applications

Transgenic

Useful applications

1.Bt Cotton

2.Flavr Savr Tomato.

3. Golden Rice.

4.Cattles (cow, sheep, goat).

5. Transgenic E.coli
Bacteria

1.Insect resistance and high yield.

2.Increased shelf-life (delayed ripening) and better nutrient quality.

3. Rich in Vitamin-A

4.Therapeutic human proteins in their milk

5. Production of human insulin

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29.

What are Cry proteins? Name an organism that produce it. How has man exploited this protein to his benefit?

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30. Mention any six fields of application of biotechnology for human welfare.

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