A, because it the constant variable
Acute HIV infection is the first phase of HIV infection. The early HIV test can detect HIV during the acute HIV phase. The best test for detecting HIV infection is the early HIV test (also known as NAAT/RNA testing)
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Highly unlikely both parents have to be colorblind
Four new haploid cells are formed once the sister chromatids within the two daughter cells separate, forming four new haploid gametes.
Populations tend to grow because of repopulation.
