L1 is an IgSF molecule that has been shown to be important in neural development; it is thought that it may be involved in axon growth within the embryonic nervous system.What evidence supports this statement?
A)L1 mutants always die.
B)L1 mutants show deficits in their vision.
C)People who die of L1-deficiency are often missing two large nerve tracts.
D)People who die of L1-deficiency are often missing a significant portion of their brain.
E)People who die of L1-deficiency are often missing a significant portion of their spinal cord.

Question

Quizplus · Accepted Answer

The fact that people who die of L1-deficiency are often missing two large nerve tracts supports the idea that L1 is involved in axon growth within the embryonic nervous system.

L1 Is an IgSF Molecule That Has Been Shown to Be