First clip covers cell cycle and mitosis
https://drive.google.com/file/d/1th6GLykNccFqHYen2IpNGrCi9APHxryf/view
Second clip covers meiosis and non-disjunction issues that can occur with it.
https://drive.google.com/file/d/1kogpNUr0GbxJwctEWSZB3LlD57BLC4es/view
