Which of the Following Is True of Proponents of the Molecular-Clock

question 19

Multiple Choice

Which of the following is true of proponents of the molecular-clock hypothesis?

• A) They believe that most changes in DNA sequences produce clocklike change because they are controlled by drift and mutation.
• B) They think the molecular clock is a result of natural selection.
• C) They believe an organism's ability to track time is genetically encoded.
• D) They use only derived traits in their analysis.

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Definitions:

Precursor Molecule

A compound that participates in the chemical reaction that produces another compound, often referring to the initial substances in biosynthetic pathways.

Neurotransmitters

Chemicals produced by neurons that transmit signals across a synapse from one neuron to another, playing critical roles in the communication within the brain and the entire nervous system.

Synthesized

The process of combining various elements to form a complex whole, often used in reference to the creation of chemical compounds or digital sounds.