APFIVE Molecular Data and Phylogenetic Trees
A researcher constructs a phylogenetic tree using cytochrome c protein sequences from six species. Another researcher constructs a tree using 16S rRNA gene sequences from the same species. The trees show different branching patterns. Which statement best explains this discrepancy?
A
One of the analyses must contain methodological errors
B
Horizontal gene transfer only affects rRNA genes
C
Protein sequences are always more reliable than DNA
D
Different genes evolve at different rates
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