Molecular Clocks Are Usually Calibrated Based on

question 18

Multiple Choice

Molecular clocks are usually calibrated based on

• A)guesses about the rates of mutations in a particular gene.
• B)observed rates of mutation in a particular gene.
• C)the first shared common ancestor for species known from the fossil record.
• D)comparing the gene to similar genes in other kingdoms.
• E)the date when two species diverged from a common ancestor.

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Definitions:

Invalid Argument

A logical fallacy where the conclusion does not logically follow from the premises, regardless of the truth of the premises.

Arguments By Elimination

A method of reasoning where options are systematically rejected until only one option remains as the solution or answer.

Disjunctive Syllogism

A form of logical argument that concludes one disjunct must be false if the other disjunct is true in a "either/or" scenario.

Particular Proposition

A statement in logic that asserts something about one or more but not all members of a class.