25. Phylogeny
Phylogeny
Multiple Choice
Multiple ChoiceUniversal phylogenetic trees built from different genes sometimes give inconsistent results. What basic assumption on which phylogenetic trees are based has probably been violated during the history of life?
A
Analogous traits come about because of convergent evolution.
B
Homologous traits come about because of common ancestry.
C
The greater the difference in gene sequences, the longer two species have diverged.
D
Genes are often passed from one organism to another without the occurrence of reproduction.
E
Genes are passed vertically from one generation to the next.
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