Which of the following is not true regarding the genetic footprints of Homo sapiens?

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They did not go in a single line

They went forwards and backwards

They moved in and out of Africa

They moved in a single line

answer is D.

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Detailed Solution

The genetic footprints of Homo sapiens show that the species did not spread in a straight line across the globe. Instead, the genetic footprints indicate that modern human migration was complex, with multiple waves of migration in different directions, both into and out of Africa.

Evidence suggests that some early human populations migrated out of Africa and into Asia and Europe, where they interbred with local Neanderthal populations. Later waves of migration brought modern humans back to Africa, bringing with them new genetic diversity.

The genetic diversity of modern human populations, which includes African, Neanderthal, and other genetic components, reflects this complex pattern of migration and interbreeding. Overall, the genetic footprints of Homo sapiens show the dynamic and complex nature of human evolution and population movement over time.

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