The modern method of study that traces the evolutionary relatedness of organisms should be option A. Phylogeny
What is Phylogeny?
It refers to the evolution history with respect to the species or the group in terms of the descent line and there should be a building of relationship among various organism group.
So for tracing the evolution of the organism by comparing out the nucleotide sequences on DNA, the option A should be considered.
Learn more about an organism here: https://brainly.com/question/19790796
