Polymerase chain reaction and primers design
3,055 views · Published 30 September 2018 · 9:27 · Indexed 2 October 2026
Channel: Nikolay's Genetics Lessons · 2018 · Education
A primer is a short single strand of RNA or DNA (generally about 18-22 bases) that serves as a starting point for DNA synthesis. It is required for DNA replication because the enzymes that catalyze this process, DNA polymerases, can only add new nucleotides to an existing strand of DNA.
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