A TRH stimulation test involves measuring basal TSH levels and then measuring again after an injection of TRH. This test is often not necessary for thyroid patients, but would it be beneficial in diagnosing Barbara’s condition? Explain why or why not
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c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."