Which of the following is a function of a selectable marker?

Provides resistance against a substrate

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Inhibits the growth of normal cell in a culture

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Help to create a chromosome map

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Both A and B

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Solution

The correct option is D Both A and B
D. Both A and B
Solution : Selectable marker is used to identify the cells which are recombinant in a cell culture . It can provide resistance against a substrate like antibiotic resistance does in a plasmid.It can also inhibit the growth of organisms that does not have the marker gene.
So the orrect answer is "both A and B"

Suggest Corrections

(A)	Second gap phase	-	Cytoplasmic growth continues
(B)	First gap phase	-	Initiation of replication
(C)	Interphase	-	Phase of preparation for cell division
(D)	DNA synthesis phase	-	Doubling of number of chromosome in cell