How Did François Lutzoni and Marc Pagel Conclude That the Entire

question 16

Multiple Choice

How did François Lutzoni and Marc Pagel conclude that the entire genome of mutualistic fungi evolved faster than the genome of free-living fungi?

• A) They based their estimate on the branch lengths in the phylogeny of a single gene.
• B) They compared the evolutionary rates of multiple genes.
• C) They conducted a genome scan at a great number of variable loci using microarray technology.
• D) Their "conclusion" is mere speculation and is not backed by data.

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Definitions:

Applied Of Fechner's Law

The practical application of Fechner's principle, which relates the intensity of a physical stimulus to the intensity of the sensation it produces.

Weber Fraction

A psychological principle that quantifies the perception of change in a given stimulus proportionate to the original intensity of the stimulus.

Just-Noticeable Difference

The smallest difference in stimulus intensity that a specific sense can detect.

Decision Criterion

The threshold or standard set by an individual or system to decide between alternatives.