For this exercise we will examine 3 couses of disease: 1) Change to the chromosome 2) A single gene effect (this may be dominant, recessive, co-dominant or sex-linked) 3) Multifactorial - caused by multiple genes and/or interactions with the environment. 23 2) Accuracy of information for Chromosome number, cause of disease and genotype 0 5 10 15 (Inquiry) 3) Accuracy of symptoms and treatment 0 5 10 15 (Making Connections) 4) SO WHAT? - Summarise what you have learnt in 23 points (5 marks Communication).