Cellular specialization Discussion Question: What is the relationship of environment and cancers? Describe the effect of tobacco, alcohol, radiation exposure, and diet and obesity to carcinogenesis. DQ1 UMBO – 2, 4 DQ1 PLG – 1, 4 DQ1 CLO – 2, 4, 5, 7 Khan academy. (n.d.). Cellular specialization. [Video file]. https://www.khanacademy.org/science/biology/developmental-biology/development-anddifferentiation/v/cellular-specialization-differentiation