No reaction would occur. because in PCR ,dNTP is crucial factor for polymerisation of primer . DAN polymerase bind to primer and template
In meiosis? Tetrads maby? When two homologus chromosomes do crossing over they're called tetrads so..
Our hands have oils that will change the polarities of the substances when doing the chromatography. Since the purpose<span> of chromatography is to separate the compounds in a mixture we would end up with altered results.</span> The same goes for getting the paper wet.
I believe it is genes in the cell cycle because tumors and cancer happen when there is uncontrolled cell division. Not very sure, though.