<span>The variables in this study would be the folic acid used (the independent variable) and the DNA formed through the implementation (the dependent variable). By changing the amount of folic acid used in the experiment, the DNA will possibly be changed in the microbes.</span>
The answer is "c. Some alleles are dominant and other are recessive"
It weakens the immune system making it unable to defend itself against viruses and it also attacks the immune system..
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