What can the y-chromosome tell us about human descent

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1. What ethical responsibilities do we have to other creatures on the planet?

2. What can the Y-chromosome tell us about human descent?

Reference no: EM13527317

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Explanations and credible references : Explanations and credible references.
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What can the y-chromosome tell us about human descent : what ethical responsibilities do we have to other creatures on the planet? What can the Y-chromosome tell us about human descent?
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