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In the section -Investigating Life- Genetic Messages from Ancient Ecos.pdf

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In the section "Investigating Life: Genetic Messages from Ancient Ecosystems," what was the advantage of looking for DNA samples in permafrost? Areas with permafrost are older than other parts of the world, allowing scientists to collect samples back 1.5 to 2 million years. The freezing temperatures preserve the DNA. Most plants and animals evolved in Siberia. It is easier to take solid core samples. The enzymes that make DNA are still active in the cells..

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In the section "Investigating Life: Genetic Messages from Ancient Ecosystems," what was the advantage of looking for DNA samples in permafrost? Areas with permafrost are older than other parts of the world, allowing scientists to collect samples back 1.5 to 2 million years. The freezing temperatures preserve the DNA. Most plants and animals evolved in Siberia. It is easier to take solid core samples. The enzymes that make DNA are still active in the cells.

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In the section -Investigating Life- Genetic Messages from Ancient Ecos.pdf

  • 1. In the section "Investigating Life: Genetic Messages from Ancient Ecosystems," what was the advantage of looking for DNA samples in permafrost? Areas with permafrost are older than other parts of the world, allowing scientists to collect samples back 1.5 to 2 million years. The freezing temperatures preserve the DNA. Most plants and animals evolved in Siberia. It is easier to take solid core samples. The enzymes that make DNA are still active in the cells.