Even Though Plant and Animal Development Processes Share a Number

question 27

Multiple Choice

Even though plant and animal development processes share a number of features, there are some differences between the two groups of organisms. Which of the following is NOT a shared characteristic of plant and animal development?

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