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

question 36

Multiple Choice

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

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

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