The Following Questions Refer to This Phylogenetic Tree, Depicting the Origins

question 38

Multiple Choice

The following questions refer to this phylogenetic tree, depicting the origins of life and of the three domains. Horizontal lines indicate instances of gene or genome transfer.

Figure 26.4. A possible phylogenetic tree for the three domains of life.
-Which of these processes can be included among those responsible for the horizontal components of Figure 26.4?

• A) endosymbiosis
• B) mitosis
• C) binary fission
• D) point mutations
• E) S phase of the cell cycle

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