A student is investigating three organisms to determine patterns of common ancestry. All three organisms have similar embryological development. Organisms X and Y have similar DNA. She reviews the data shown below.
The student wants to create a model to represent the relationships of the three organisms. Which cladogram should the student create?
a
6532d26a-c83a-40aa-9a0e-a26b6468da56
b
fd063ba7-d798-4370-bd8e-c3f780536048
c
0746b030-e595-4ab2-9349-be6274523559
d
a0f693e9-20e2-49e6-a0a2-6ecf56465220
1 answer
The student should create cladogram option b: fd063ba7-d798-4370-bd8e-c3f780536048. This cladogram shows that Organisms X and Y share a more recent common ancestor with each other than they do with Organism Z, indicating their closer relationship. Additionally, it shows that Organisms X and Y share similar DNA, further supporting their common ancestry.
1 answer