All of the Following Characteristics Are Shared Between Plant and Animal

question 12

Multiple Choice

All of the following characteristics are shared between plant and animal development except:

• A)Gene expression in developing embryonic tissues is closely regulated.
• B)Orientation of cells and tissues is critical for proper development.
• C)Differentiation of cells is directed and maintained by cascades of signals.
• D)Cell types,once determined,generally cannot change their differentiated characteristics.