Upgrade to access all content for this subject
DNA sequence comparison is a powerful tool in studying evolution. However, there are limitations to what it can tell us about the history of life on Earth.
Which of the following is a limitation of this technology?
It is only possible to obtain DNA samples from extant or recently extinct species.
It is possible that an organism will have genes for non-functional proteins.
Mutations can occur randomly in genomes.
There is greater variation in DNA sequences that in amino acid sequences.