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What are primer dimers in pcr?

Updated: 9/15/2023
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14y ago

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Primerdimer occur, when the Primer are -or parts- are complementary (3' of the FOR- and 3' of the REV-Primer). While PCR both oligos hybridizate and are elongated. The Product contains both primer sequences. Primerdimers reduce the avaiable ammount of primers for the pcr-reaction. Therefore the pcr effectivity is reduced because of this non-specific reaction.

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Q: What are primer dimers in pcr?
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Nucleotide sequence that starts PCR processes?

Primer sequences


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it synthesizes a single RNA primer at the 5' end of the leading end.


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How do you predict a PCR product size from a gene cloned into an expression vector?

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What reagents do you use in pcr?

in pcr technique we take original dna first heat it to separate to strands in thermocycler then add rna primer after the formation of about 10 sequences on both parental strands add dna polymerase to construct further