Neural tube cells that will become motor neurons first express the gene _______, which makes a protein that turns on the expression of _______.

Question

Quizplus · Accepted Answer

Neural tube cells that will become motor neurons first express the gene Isl-1, which makes a protein that turns on the expression of Isl-2. Therefore, option B is the correct answer. Lim-3 is also involved in motor neuron development, but it is not directly related to the gene expression cascade mentioned in the question.

Neural Tube Cells That Will Become Motor Neurons First Express