Suppose You Have Two Groups of Hamsters: One Group Consisting

Multiple Choice

Suppose you have two groups of hamsters: one group consisting of animals with short circadian periods and the other consisting of animals with long circadian periods.The suprachiasmatic nuclei (SCN) of the long-day hamsters have been destroyed and short-day fetal SCN tissue has been transplanted into the lesioned tissue.What will be the result?

A) The long-day adults will remain arrhythmic.
B) The long-day adults will demonstrate long-day rhythms.
C) The long-day adult will demonstrate short-day rhythms.
D) The rhythms of the adults will become entrained to the laboratory lighting.
E) The long-day adults will exhibit free-running rhythms.