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  9. Q67

RPSC RAS 2013 · Question 67 of 139

Steps of Recombinant DNA technology are given below : (a) Identification and isolation of the genetic material. (b) Fragmentation of DNA. (c) Obtaining the foreign gene product. (d) Downstream processing. (e) Ligation of DNA fragmentation into the vector. (f) Isolation of desired DNA fragments. (g) Amplification of gene of interest. (h) Transfer of Recombinant DNA into the host cell/organism. The correct sequence of steps is

Science & Technology

  1. Aa -> d -> c -> b -> e -> g -> f -> h
  2. Ba -> b -> f -> g -> e -> h -> c -> dCorrect
  3. Ch -> f -> g -> e -> a -> d -> b -> c
  4. Dc -> a -> b -> d -> f -> e -> g -> h

Answer: B. a -> b -> f -> g -> e -> h -> c -> d

Explanation

Official RPSC final answer key (2013 re-exam): option B.

Source: RPSC RAS Prelims 2013 (re-exam 31-10-2015), answers per official RPSC final answer key

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