TAQ or Pfu or Pfx or other enzymes are used for polycmerase chain reaction and have different specificity. The mores specific the lower the yield.
Thermocyclers can be callibrated for identical ramping curves to obtain a more accurate PCR.
Alternative to gene target
v-kit Hardy-Zuckerman 4 feline sarcoma viral oncogene homolog, C-Kit and CD117 and PBT and SCFR, KIT and IDBG-18980 and ENSG00000157404 and 3815, transferase activity, Extracellular, Kit and IDBG-172083 and ENSMUSG00000005672 and 16590, KIT and IDBG-642326 and ENSBTAG00000002699 and 280832