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At the optic chiasma, fibers from which part of the retina cross to the opposite side of the brain:

A) all fibers from the retina cross to the opposite side
B) only fibers from the temporal (lateral) sides of the retina cross
C) only fibers from the nasal (medial) sides of the retina cross
D) only fibers from cone photoreceptors cross, fibers from rod photoreceptors do not cross
E) there is no crossing of fibers in the optic chiasma