Which statement about the per gene is false?
A) It can be mutated using chemicals.
B) It controls the duration (period) of the circadian rhythms of fruit flies.
C) In humans, a variant of this gene causes familial advanced phase sleep syndrome, a condition in which circadian rhythms are completely absent.
D) It is highly conserved from fruit flies to humans.
E) Variants of this gene cause long or short circadian rhythms.

Question

Quizplus · Accepted Answer

C) is false because familial advanced sleep phase syndrome (FASPS) is characterized by advanced sleep timing, but circadian rhythms are not completely absent. This condition involves a shift in the sleep-wake cycle, but individuals still exhibit daily rhythms.

Which Statement About the Per Gene Is False