Meiosis: Chromosome Division and Genetic Shuffling

This lecture covers the process of meiosis, focusing on chromosome division and genetic shuffling. Topics include crossing over during meiotic division, genetic shuffling of homologous chromosomes, and the significance of independent assortment. The instructor explains the importance of meiosis I and meiosis II, highlighting the differences between mitosis and meiosis. The lecture also discusses the consequences of nondisjunction during meiosis, leading to aneuploidy and chromosomal mosaicism. Additionally, the presentation explores the parental origin of meiotic errors and trisomies. The content delves into the mechanisms of fertilization, zygote formation, and cell division, emphasizing the role of meiosis in generating genetic diversity.