Question

Your friends may be able to tell

what you are thinking based on your expression. How
is a facial expression similar to gene expression

Answer 1

By using sophisticated time-lapse imaging, Crump and Choe observed how this happens in both normal and abnormal development. TBX1 works by activating additional genes, including one called Fgf8a that attracts pouch-forming cells to move to the correct locations. This enables the growing pouches to take shape.

Step-by-step explanation: