Sourav PanApril 30, 2025

What are the relationships between the current three domain system?

Sourav PanApril 30, 2025

Answered

The relationships between the three domains are based on genetic and molecular evidence, particularly rRNA sequencing. Archaea and Eukarya are more closely related to each other than to Bacteria, indicating a common ancestor between Archaea and Eukarya. Bacteria, while distinct, share some similarities with Archaea, but their evolutionary paths diverged earlier. This phylogenetic tree illustrates the evolutionary history and relationships among the three domains.

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