Answer:
The Correct Option of the Given Scenario is "Binds Divalent Metal Cations That Constrain the PCR Reaction"
Step-by-step explanation:
The part that Chelex show in the segregation of genomic DNA is normally that the Chelex Formulate the PCR. The sightless Restraints like 
 Get involved to the DNA there by mortifying and make it unbalanced for PCR
 Get involved to the DNA there by mortifying and make it unbalanced for PCR