You Are a Researcher Studying Neurogenesis

You are a researcher studying neurogenesis. You artificially lower the amount of beta-catenin expressed in neural progenitor cells. Which of the following would be likely to result?

A) neurogenesis onset would occur sooner than normal
B) neurogenesis onset would occur later than normal
C) neurogenesis onset would result in less delta-1 being produced
D) neurogenesis onset would occur in skin tissue