About this video
This video talks about how many people it would take to start a new human population after a big disaster. It explains that we need lots of different genes to stay healthy and strong.
🧠 Quiz & Trivia
Test your knowledge after watching!
Q1 What is the name for all the different genes in a group of people?
Answer: Gene pool
Q2 Why do scientists think it's important to have many different genes?
Answer: So people don't get sick easily.
Q3 How many people did our primate ancestors need to rebuild their population?
Answer: Around 1,300
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