How has DNA analysis changed classification?(1 point)

Question

Since all living organisms share common DNA, morphological similarities and differences have become more reliable tools for classification.
Since all living organisms share common DNA, grouping animals by their backbones is no longer used to classify organisms.
Since all living organisms share common DNA, genetic similarities and differences have become more reliable tools for classification.
Since all living organisms share common DNA, the Linnaean system of taxonomy is no longer used to classify organism.

Answer 1

Since all living organisms share common DNA, genetic similarities and differences have become more reliable tools for classification. DNA analysis has allowed scientists to accurately determine evolutionary relationships between species and classify organisms based on their genetic makeup rather than just physical characteristics.