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Read the given statements and select the...

Read the given statements and select the correct option
Statement 1 : In insertional inactivation, blue colour produced by bacterial colonies indicates that the plasmid does not have an insert into the bacterial genome.
Statement 2: Presence of insert results into insertional inactivation of `beta`-galactosidase enzyme and the colonies do not produce any colour.

A

Both statements 1 and 2 are correct

B

statement 1 is correct but statement 2 is incorrect

C

statement 1 is incorrect but statement 2 is correct

D

Both statements 1 and 2 are incorrect

Text Solution

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The correct Answer is:
A
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NCERT FINGERTIPS-BIOTECHNOLOGY - PRINCIPLES AND PROCESSES-Biotechnology - Principles And Processes
  1. In the process of insertional inactivation

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  2. If a person obtains transformants by inserting a recombinant DNA withi...

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  3. Read the given statements and select the correct option Statement 1 ...

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  4. During insetional inactivation, the presence of a chromogenic substrat...

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  5. Which of the following bacteria is used as a vector for plant genetic ...

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  6. Which of the following microbes transform normal plant and animal cell...

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  7. Read the given statements and select the correct option. Statement 1...

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  8. a crown gall bacterium, is called an natural genetic engineer' of plan...

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  9. DNA cannot pass through a cell membrane as

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  10. The term "competent" refers to

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  11. The correct sequence of making a cell competent is

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  12. Match the terms given in column I with their definitions in column II ...

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  13. Micro-injection is a method used to

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  14. Which of the following is required for micro-injection method of gene ...

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  15. In biolistic method of gene trasfer, the microparticles coated with fo...

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  16. The different steps of recombinant DNA technology are given below rand...

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  17. The given flow chart depicts the steps to transfer a desirable gene of...

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  18. Fill up the blanks and select the correct option. (i) EcoRl cuts the...

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  19. In the isolation of DNA, removal of protein and RNA is carried out by ...

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  20. During isolation of genetic material, the chemical used to precipitate...

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