DNA Libraries Are Constructed and Screened for Genes of Interest

question 4

Multiple Choice

DNA libraries are constructed and screened for genes of interest.If you were interested in identifying genes expressed in cancer cells,why might you choose to use a cDNA library instead of a genomic DNA library?

• A)A cDNA library is larger in quantitythan a genomic library is.
• B)A cDNA library is enriched for genes that are actively transcribed in your cell of interest.
• C)A cDNA library is enriched with noncoding DNA.
• D)A cDNA library is enriched for genes that are expressed at low frequency.
• E)all of the above

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