Species Relationships Based on Sequence Similarity
In the video, Dr. Tim White discusses using DNA sequences to make a phylogenetic tree. (36 seconds)
- Molecular sequences (DNA, RNA, protein) can also be compared to study relationships.
- In sequence comparison, as in anatomical comparison, we look for similarities and differences to deduce relationships.
- When done properly, sequence comparison can be more objective and less ambiguous than anatomical comparison.
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