Khan Academy
Khan Academy: Chromosomal Crossover in Meiosis I
This video lesson explores how homologous chromosomes exchange fragments in prophase I. [12:15]
Khan Academy
Khan Academy: Chromosomes, Chromatids and Chromatin
Video tutorial provides an overview of DNA transcription, translation, and replication during mitosis and meiosis while also teaching about chromosomes, chromatids, and chromatin. [18:23]
Khan Academy
Khan Academy: Mitosis
Video lesson provides an overview of mitosis and what happens in its phases: prophase, metaphase, anaphase, and telophase. [12:11]
Khan Academy
Khan Academy: Example of a Signal Transduction Pathway
Video lecture illustrates the complexity of signal transduction with a MAPK pathway and how transduction can actually occur. Also, looks at how mutations in the pathway are linked to cancer. [6:34]
Khan Academy
Khan Academy: Fertilization Terminology: Gametes, Zygotes, Haploid and Diploid
A video exploring the process of fertilization where two sets of chromosomes come together to form a zygote. Video defines haploid, diploid, zygote, and fertilization. [10:26]
Khan Academy
Khan Academy: Cancer
Video lesson presents an introduction to what cancer is and how it is the by-product of broken DNA replication. [12:35]