Instructional Video
Khan Academy

Khan Academy: Molecular Genetics: Leading and Lagging Strands in Dna Replication

For Students 9th - 10th
Understand the roles of DNA polymerase, primase, ligase, helicase and topoisomerase in DNA replication. An explanation of leading and lagging strands. [10:18]
Instructional Video
Khan Academy

Khan Academy: Phases of Meiosis I

For Students 9th - 10th
Video lecture explores the phases of Meiosis I: prophase 1, metaphase 1, anaphase 1, and telophase 1. It also investigates how homologous chromosomes separate into two sets. [9:44]

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