Which Mechanism(s) Could Contribute to Larger Brains with More Cortical

Which mechanism(s) could contribute to larger brains with more cortical neurons?

A) A longer period of symmetrical cell division, increasing the pool of radial glia
B) More radial glia divisions, increasing the number of intermediate progenitors
C) Outer radial glia (oRGs) in the subventricular zone that self-regenerate and produce more intermediate progenitors
D) Expression of Wnt pathway effector β-catenin
E) All of the above

Correct Answer:

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