Answer:
Construction of a Cladogram
Step-by-step explanation:
In order to find relationship between any two group of animals, the best is to create a hypothetical tree depicting linked ancestry, thereby sharing some similar/ common traits. This tree help us to identify the orientation point which led any two organism to have common line of descent. In a cladogram, lines are used to depict branches taking off in different directions with a clade at the end.
Hence, a biochemist must study cladogram