The doctor uses an EEG or also known as
Electroencephalography, this is used to record the activity of the brain,
electrically. This will help the doctor make a proper diagnosis of Ronald even
if he’s sleeping and to view what type of disorder he has with the given
results.
'Red shift' is a key concept for astronomers. The term can be understood literally - the wavelength of the light is stretched, so the light is seen as 'shifted' towards the red part of the spectrum.
Hope this helps.
Answer:
It is difficult to obtain a final conclusion with this information, but it is possible that the sample doesn't contain living organisms whose genetic material is composed of DNA. Another possible reason for this result is that the DNA extraction protocol used in the experiment is not suitable for this sample.