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Why Are All Humans Unique? Meiosis: Crash Course Biology #30

2024-02-13

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Ever wonder why we aren’t exact clones of our parents, or why siblings aren’t exactly alike? The reason traces back to meiosis. In this episode of Crash Course Biology, we’ll discover how egg and sperm cells get made and learn why you’re a totally unique remix of your parents’ DNA.

Introduction: Why Are We All Unique? 0:00

Gametes 1:33

Meiosis 4:09

The Phases of Meiosis 4:44

Nondisjunction 7:14

Why We Aren't Clones 8:18

Meiosis & Genetic Diversity 9:49

Review & Credits 11:32

This series was produced in collaboration with HHMI BioInteractive, committed to empowering educators and inspiring students with engaging, accessible, and quality classroom resources. Visit https://BioInteractive.org/CrashCourse for more information.

Check out our Biology playlist here: https://www.youtube.com/playlist?list=PL8dPuuaLjXtPW_ofbxdHNciuLoTRLPMgB

Watch this series in Spanish on our Crash Course en Español channel here: https://www.youtube.com/playlist?list=PLkcbA0DkuFjWQZzjwF6w_gUrE_5_d3vd3

Sources: https://docs.google.com/document/d/1GLDtAXE6ekg4Chk2qN3TYbNt0pJbyaHqTqRd6QY8pd4/edit?usp=sharing

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Introduction: Why Are We All Unique?
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The Phases of Meiosis
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Why We Aren't Clones
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Meiosis & Genetic Diversity
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Mitosis and the Cell Cycle: Crash Course Biology #29 36,274 views
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