Molecular Data and Phylogenetic Trees
Phylogenetic trees were constructed for a group of species using two different data sets: cytochrome c protein sequences and 16S rRNA gene sequences. The resulting trees show different branching patterns. Which of the following statements best explains this discrepancy?
A
Different genes evolve at different rates
B
One of the analyses must contain methodological errors
C
Horizontal gene transfer only affects rRNA genes
D
Protein sequences are always more reliable than DNA
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