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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Definitions:

Rising

Describes an increase or upward movement in metrics such as price, quantity, or value.

Base Year

A reference year used for comparative purposes in the calculation of indexes, such as the Consumer Price Index, to measure changes over time.

Consumer Price Index

A measure that examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food, and medical care, used to measure inflation or deflation.

First Year

The initial period or starting phase of an entity, event, or process, often marking the beginning of measurement or assessment.