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61. Restriction endonucleases are used in genetic engineering, because:

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62. Restriction endonucleases :

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63. Plasmids occur in :

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64. “Molecular scissors” used in genetic engineering is :

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65. First artificial gene was synthesized by :

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66. Which of the following correctly represents the flow of genetic information ?

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67. Genetic engineering is :

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DNA recombination takes place during the pachytene stage of the prophase-I of Meiosis-I.

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69.

Can you think and answer how a reporter enzyme can be used to monitor transformation of host cells by foreign DNA in addition to a selectable marker?

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70.

Explain with the help of a suitable example the naming of a restriction endonuclease.

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