If a PCR-amplified sample hybridizes with two allele specific probes one normal and one mutant sequence a carrier may be identified ifA. Both probes give a signalB. Neither sample gives a signalC. Only the mutant probe gives a signalD. None of the choices are correct

The Correct Answer is A "Both probes give a signal"

Explanation:

the transformed and the ordinary one – are utilized in a similar response and through the opposition that emerges between them for tempering on the objective DNA succession, the authoritative of the splendidly coordinated preliminary to the format is firmly preferred comparative with the groundwork varying by a solitary base.  

Just one converse preliminary is utilized in a serious oligopriming PCR, to serve amalgamation with both allele-explicit groundwork's, which along these lines must get from the equivalent – inverse of that of the opposite groundwork – strand of DNA succession. One all things considered can define a serious PCR, in which the serious oligoprimers are of inverse bearing, however this requires the utilization of two converse preliminaries, as well, and most likely expand improvement strategies.  

In COP PCR each of the three preliminaries, to be specific the two forward introductions for the transformation site, one (m) and the other (wt) and the basic converse preliminary, are utilized in one response with a given layout DNA

the offspring would all be white. if the parents are both white flowers then they have the genotype rr, which when crossed results in an all white punnet square.