developed a scheme of classifying symptoms into discrete disorders that is the basis for our modern classification systems.

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

Draw the structure of dna nucleotide with adenine as nitrogenous base

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic