This writing skills practice was created by CUNY Adult Literacy/HSE Program teachers for use alongside a heredity and genetics curriculum. For example, some of the exercises are mean to be used in conjunction with a reading about the “Jim twins.”

Practice is included on the following topics:

• Combining Sentences Using Commas-in-a-series
• Combining Sentences Using Parallel Structure
• Practice with Coordinate Adjectives and Commas
• Practice with Coordinate Adjectives and Commas, continued
• Combine the Sentences Below Using Dependent Clause Words
• Gene and Heredity – family of words