Nondisjunction Disorders

What happens when (as your book says) there's an "accident" in meiosis. One of result is that there could be a nondisjunction disorder, where sister chromatids do not separate evenly. Today in C block and tomorrow for A and D blocks we will wrap up chapter 8 by talking about variation and nondisjunction. Click the picture below to learn more about chromosome abnormalites from Utah Genetics. Remember, as part of your meiosis project you need to incorporate a nondisjunction disorder.