Answer:
It's DNA.
Step-by-step explanation:
DNA is the most recent utility to determine the origin of an organism and it's powers compared to it't weaknesses.
Nowadays, it is the primary tool:
Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses. DNA and ribonucleic acid are nucleic acids.