= Touchdown polymerase chain reaction
{wiki=Touchdown_polymerase_chain_reaction}
Touchdown polymerase chain reaction (Touchdown PCR) is a variant of the standard polymerase chain reaction (PCR) technique that is designed to improve the specificity and yield of amplified DNA products. Touchdown PCR involves a modified annealing temperature strategy during the amplification process. \#\#\# Key Features of Touchdown PCR: 1. **Annealing Temperature Gradient**: - Touchdown PCR begins with a higher initial annealing temperature that is above the melting temperature (Tm) of the primer-template complexes.
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