In 2003, what was achived by the human genome project

After hydrogen and oxygen, witch element makes up almost all of the most common substance in your body

Acladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits. a scientist discovers a new organism that lacks limbs and does not have a true backbone. the organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface. on the cladogram below, select the species to which the newly discovered organism is most closely related.

What is the problem in this article? what solution does the article propose?