Match the following tests to their appropriate principle:
Select the correct match for each item from the drop-down box
| Direct Nucleic acid test that uses RNA Northern blot or DNA Southern blot to detect variations |
| Signal amplificiation test that uses signal amplification and alkaline phosphatase |
| Target amplification test that uses thermal cycling and DNA polymerase |
| Target amplfication test using thermal cycling and DNA ligase |
| Target amplification using reverse transcriptase but no thermal cycling |
