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If positive control grows but test sample does not grow what does it indicate?

Answer and explanation

Correct answer: Test construct or DNA may have an issue

A positive control shows cells and method are working. The test sample may have ligation DNA quality or marker problems.

Related tags

Positive ControlTest SampleTroubleshootingCompetent HostPrinciples Of BiotechnologyBiotechnologyClass 11 Mcq

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