Researchers Lesioned the Suprachiasmatic Nuclei (SCN) of Adult Hamsters with Typical

question 169

Multiple Choice

Researchers lesioned the suprachiasmatic nuclei (SCN) of adult hamsters with typical 24-hour rhythms and later transplanted SCN from hamster fetuses with short-day rhythmicity.As a result the recipients

• A) displayed their typical 24-hour rhythms.
• B) displayed long-day rhythmicity.
• C) displayed short-day rhythmicity.
• D) remained arrhythmic.
• E) rejected the neural transplants.

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