Suppose a Laboratory Received 2 µG of DNA from a Clinical

Suppose a laboratory received 2 µg of DNA from a clinical sample, when the DNA isolation procedure used stated that 10 µg was optimal. The laboratory's result can be explained by all of the factors below EXCEPT:

A) A low patient white blood cell count.
B) Inadequate harvesting of the buffy coat from the sample.
C) Storage of the whole blood sample at 22°C for 12 hrs prior to use.
D) Contamination of the sample with protein.