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Two middle-age women who had been adopted into different families as infants discover circumstantially that they may have the same biological mother. Which of the following analyses would give the best information toward proving their maternal lineage?

From the case study in the previous question (#97), which of the following actions in this case is prohibited in proficiency testing? 

A quantitative method was performed 100 times, and results from 99 of the 100 runs were in agreement with each other. This method has 99%:

Which of the following organizations provides oversight and governs the use the radioactive materials in the clinical laboratory?

In inorganic DNA isolation or “salting out” procedures, in the presence of low pH and high salt concentrations, which intracellular component precipitates out of solution?

T-cell receptor gene rearrangements were analyzed by PCR using forward and reverse primers complementary to the Vγ1 and Jγ1 regions, respectively, of the T-cell receptor gene region. The products were separated by polyacrylamide gel electrophoresis and bands visualized using ethidium bromide. The lane corresponding to the patient had a sharp band. All controls were acceptable. How is this result interpreted?

Which of the following methods used to detect mutations is based on sequencing the region of interest?

SyBr green fluorescence is detectable at which stage of the PCR amplification process?

Maize was domesticated in Southern Mexico from the wild ___________ plant about 5000 B.C.E.

______________ is the form of subsistence technology in which food getting first developed.