The physical characteristics or what?
<span>The biological system of classification relates to the diversity of species because the system of classification is how we organize the diversity of species. With out it we would have a hard time trying to determine which animals belong with which </span><span><span>group. There would be no order, just chaos of trying to determine animal likeness of one another.
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Answer: Genetic test of C/T (-13910 polymorphism can be used as a first stage screening test for adult-type hypolactasia.