Which of the Following Statements About Genome Evolution Is True

question 138

Multiple Choice

Which of the following statements about genome evolution is true?

• A) Humans have between 10 and 20 times more genes than does Drosophila.
• B) Many species have more than 500 times the number of protein-coding genes than the typical bacteria have.
• C) Some salamanders have about 40 times as much DNA as humans do.
• D) A larger genome always indicates greater complexity.
• E) None of the above

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Definitions:

Neural Impulse

Refers to the electrical signal that travels along a neuron, enabling communication within the nervous system.

Dendrites

Branching, tree-like structures in neurons that receive and integrate signals from other cells.

Soma

In biological context, refers to the body of an organism as distinct from its reproductive cells; in Huxley's literary context, a happiness-inducing drug.

Dendrites

Extensions of neurons that receive signals from other neurons and conduct them toward the cell body.