Final answer:
DNA analysis can be used to trace the origins of domestic cattle by comparing the genomic sequence of ancient and modern cattle. DNA analysis has also been used to study the domestication of dogs and the presence of ancient diseases.
Step-by-step explanation:
DNA analysis is a powerful tool that can be used to determine the origins of domestic cattle. By comparing the genomic sequence of ancient DNA from cattle skeletons to that of modern cattle strains, scientists can uncover phylogenetic relationships and trace the domestication of cattle. For example, a study of DNA from ancient dogs found that some had interbred with American wolves, while others had low genetic diversity indicating intentional breeding by ancient humans. Similarly, the genomic sequence of ancient DNA from human remains can be compared to modern strains of bacteria to find matches, as seen in studies of Y. enterocolitica and Y. pestis.