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Why is only a fraction of an organism's genes represented in any cDNA library?

barry

wrote...

Posts: 11630

Rep:

12 years ago

Why is only a fraction of an organism's genes represented in any cDNA library?

Why is only a fraction of an organism's genes represented in any cDNA library?

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biolove

wrote...

#1

Donated

Trusted Member

12 years ago

cDNA libraries are comprised of complementary DNAs that are reverse transcribed from existing mRNA transcripts. Thus, only genes that are being actively transcribed in a given organism will be represented in the cDNA library, providing an accurate snapshot into the genes being expressed in this particular organism or tissue.

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