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18. | Polymerase chain reaction (PCR) is a method for the selective amplification of DNA sequences. |
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19. | Random amplified polymorphic DNA (RAPD) is PCR-based method of DNA profiling that involved amplification of sequences using random primers. |
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20. | RT-PCR Reverse transcriptase (transcription) is PCR, where a cDNA copy of mRNA is made and then amplified using PCR. |
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