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Question

What does ancient DNA show about history?


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Solution

DNA:

  1. A self-replicating material found in almost all living organisms as the main constituent of chromosomes.
  2. It contains genetic information, and transfers genetic data from generation to generation.

The ancient history of DNA:

  1. Ancient DNA reveals a great deal about ancient humans and animals.
  2. For example, mitochondrial DNA evidence suggests that the Neanderthals, one of our closest human predecessors, mated with humans more than 220,000 years ago.

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