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Chickens, chimpanzees, and you - what do they have in common?

All modern humans are 99.9% similar to one another in the part of the human genome that codes for proteins. In equivalent areas of the genome, we are 98.8% genetically similar to chimpanzees, 75% genetically similar to chickens, and even 60% genetically similar to banana trees! Humans share large portions of our genome with other organisms due to similar basic functions across the animal kingdom.