DNA Video Worksheet Name: Date: Class/Period: Answer the questions based on information found in the video. You may pause and resume the video at any time throughout the viewing. 1. Your body is made up of ____________________________. 2. All cells have a ___________________________________. 3. A gene is composed of _____________________________. 4. What are adenine, cytosine, thymine, and guanine? 5. Base pair codes are always paired up. How are they paired? 6. Combinations of codes make up ______________________. 7. Approximately 3 billion base pairs are divided up into your 23 pairs of ______________________________________. 8. What causes the differences among humans to make them all unique? 9. The “backbone” of the ladder in the DNA molecules consists of _____________________________________________. 10. The “rungs” on the ladder in the DNA molecule consists of _______________________________________________.