Honestly you can get DNA by taking a piece of someone or just by them touching something.
Hope I helped and if you need more you could always ask me :)
-Dawn
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
The answer is Cornea. It is the transparent anterior portion, which allows light into the eye and participates in the focusing of light onto the back of the eye. It is <span>"window" of the eye. very front center of the sclerotic coat lies a circular clear area called the cornea.</span>
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Hey let chat in comments also the answer is d i hope this helps!!
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