How Has the Role of Horizontal Gene Transfer (HGT) in Evolution

question 46

Multiple Choice

How has the role of horizontal gene transfer (HGT) in evolution changed over time?

• A) Early life-forms had modular genomes for which HGT played a large role in adaptation. This role has decreased over time.
• B) Early life-forms had modular genomes for which HGT played a large role in adaptation. This role has increased over time.
• C) Early life-forms were fixed entities, and the only way to adapt was through HGT. HGT no longer occurs.
• D) HGT was irrelevant for early life-forms. HGT is a more recent phenomenon and is important for current adaptations.

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