It Has Been Found That a Particular "+ -" Combination

question 45

Essay

It has been found that a particular "+ -" combination of frameshift mutations in gene X gives a wild-type phenotype,whereas a "- +" combination gives a mutant phenotype,even though the sites of insertion/deletion are the same.How might these results be explained?

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Definitions:

Trunnions

The cylindrical protrusions used as a pivot or mounting point, typically on cannons or similar devices, but also in various machinery.

Driveshaft Diameter

the exterior thickness of the driveshaft, which can influence the torque capacity and the overall performance of a vehicle's drivetrain system.

Wall Thickness

The measurement from one inner surface to the outermost surface of a structure, often referring to pipes or structural materials.

Maximum Torque Load

The highest amount of torque a system or component can handle before failing or becoming unstable.