The different basic steps of genetic engineering are given below …

MCQ

The different basic steps of genetic engineering are given below randomly

$I.$ Identification of $DNA$ with desirable genes

$II.$ Gene transfer

$III.$ Maintenance of $DNA$ in host and gene cloning

$IV.$ Introduction of $DNA$ into host to from recombinant $DNA$

Which of the following represents the correct sequence of steps?

✓

Answer

Correct option: B.

$I, IV, III \;and\; II$

b
Identification of DNA with desirable gene

$\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\downarrow$

Introduction of DNA into host to form recombinant DNA

$\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\downarrow$

Maintenance of DNA in host and gene cloning

$\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\downarrow$

Gene transfer

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Column $-I$	Column $-II$
$(A)$ Saccharomyces cerevisiae	$(i)$ Production of immuno-suppressive agent
$(B)$ Monascus purpureus	$(ii)$ Ripening of Swiss cheese
$(C)$ Trichoderma polysporum	$(iii)$ Commercial production of ethanol
$(D)$ Propionibacterium	$(iv)$ Production of blood-cholesterol lowering agents