What our genes tell us

This article by Malcolm Ritter address some interesting points when considering they “why” and “how” of cognitive differences between humans and animals.

Humans and chimps have evolved separately since splitting from a common ancestor about 6 million years ago, and their DNA remains highly similar — about 96 percent to almost 99 percent identical, depending on how the comparison is made.

Still, the number of genetic differences between a human and a chimp is about 10 times more than between any two humans, the federal genome institute says. It’s the differences — some 40 million — that attract the attention of scientists.

Scientists like Svante Paabo of the Max Planck institute for Evolutionary Anthropology who is quoted as saying

“I’m still sort of taken aback by how similar humans and chimps are” in their DNA. “I’m still amazed, when I see how special humans are and how we have taken over this planet, that we don’t find stronger evidence for a huge difference in our genomes.”

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