14
Genetics
► Story Problems Inherent in the Screenplay
Inherited Traits
When it comes to human ailments, scientists remind us that many maladies are caused by bad habits, such as smoking, overeating, and lack of exercise. But a significant percentage of all disease has nothing to do with lifestyle issues. Unfortunately, some people can eat a vegan diet, run five miles a day, and never smoke, yet still contract heart disease, cancer, or other afflictions, often the same as their parents or grandparents. These hereditary ills are passed down through the genes, encoded with defective chromosomal structures that tick like a clock waiting for the moment when they will burst onto the scene. Where do these come from? It is hard to say; maybe back in ...
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