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Why can duplicate DNA extractions be performed?

Answer and explanation

Correct answer: To check result reliability

The governing concept is experimental reproducibility and quality control. In duplicate extraction, equivalent portions of one sample are processed independently using the same defined protocol. If the preparations give similar yield, purity, and downstream results, confidence increases that the observation is reproducible rather than the result of an accidental pipetting error, contamination event, incomplete mixing, or unusual tube-specific problem. Therefore option C is correct. Duplicates are not intended to destroy DNA, form a cell wall, or compare taste. They do not remove every source of variation, but they provide useful evidence that the extraction procedure is performing consistently.

Related tags

Duplicate ExtractionReliabilityReproducibilityIsolation Of DnaProcesses Of Recombinant Dna TechnologyBiotechnologyClass 11 Mcq

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