The fact that it's a renewable resource would be the only benefit. All of the others are disadvantages
The answer is A) a patient that can receive o- o+ b- and b+ is b+
The result which would be seen from a properly prepared negative control is nothing.
<h3>What is a Negative control?</h3>
This type of control is used to test and ensure that in the absence of the antigen we do not still get a positive reaction.
Since proper aseptic technique was practised and there was no swabbing of the surface then there would be nothing seen in the properly prepared negative control.
Read more about Negative control here brainly.com/question/7452004
B.
The other options all tell you the type of nucleic acid it is.
