正是在这些种群中，我们开始看到自然色彩的基因构成发生了真正的变化。
It's in these populations that we begin to see real changes in the genetic makeup of natural coloring.
通过基因筛选找到四色视者是一回事，证明她们可以看到千万种更多的色彩则是另一回事。
Finding tetrachromats through genetic screening is one thing. Proving they can see tens of millions of additional colors is another.
科学家相信有色彩的蛋壳，是因为基因产生的因素，一起来看看这些画面，感恩收看，再会。
Scientists believe that shell colour is determined by the genes. We'll leave you with these images. Thank you for watching Da Ai headlines. Goodbye.
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