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Crash Course: Biology: Meiosis I: The Four Phases thumbnail 04:18
Hank explains the four phases of meiosis 1: prophase 1, metaphase 1, anaphase 1, and telophase 1. He accompanies his explanations with visualizations that illustrate each p...
Crash Course: Biology: Meiosis I: The Four Phases
cleavage
CrashCourse: Biology: DNA Structure thumbnail 04:40
Hank explains that DNA stores our genetic instructions and illustrates how DNA is structured. He explains the parts of the Double Helix structure and uses a book to put int...
CrashCourse: Biology: DNA Structure
46 chromosomes