CBSE 2023 · Region 1 · Set 2 · Q9 · 1 mark
Given below are the steps carried out to construct a recombinant DNA. Which one of the following gives the correct sequence of these steps?(i)Isolation of genetic material(ii)Insertion of recombinant DNA in the host cell / organism(iii)Obtaining the foreign gene product(iv)Amplification of gene of interest(v)Downstream processing
Given below are the steps carried out to construct a recombinant DNA. Which one of the following gives the correct sequence of these steps?
(i)
Isolation of genetic material
(ii)
Insertion of recombinant DNA in the host cell / organism
(iii)
Obtaining the foreign gene product
(iv)
Amplification of gene of interest
(v)
Downstream processing
Official answer
From CBSE’s own marking scheme for this paper.
(B)
(i) → (iv) → (ii) → (iii) → (v)
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CBSE Class 12 Biology past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.