Multiple Choice
Which comes first in the process of spinal motor neuron differentiation?
A) Cells adjacent to the neural tube begin expressing Isl-2.
B) Cells at different levels of the spinal cord begin expressing particular Hox genes.
C) Cells adjacent to the neural tube begin expressing Isl-1.
D) Floor plate cells begin expressing Sonic hedgehog.
Correct Answer:
Verified
Correct Answer:
Verified
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