Fragments of DNA Have Been Extracted from the Remnants of Extinct

question 37

Multiple Choice

Fragments of DNA have been extracted from the remnants of extinct woolly mammoths, amplified, and sequenced. These can now be used to

• A) introduce into relatives, such as elephants, certain mammoth traits.
• B) clone live woolly mammoths.
• C) study the relationships among woolly mammoths and other wool-producers.
• D) understand the evolutionary relationships among members of related taxa.
• E) appreciate the reasons why mammoths went extinct.

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Definitions:

Cerebellum

Hindbrain region that coordinates voluntary movements.

Motor Activity

Physical actions and movements generated by the muscles and nervous system of an organism.

Motor Skills

Abilities required to perform movements and tasks, involving the coordination of muscles and the nervous system.

Cerebellum

A region of the brain that plays an essential role in motor control, and also involves in some cognitive functions such as attention and language, and in regulating fear and pleasure responses.