Question

all humans are a single species with a common ancestor. comment

Answer 1

yes because millions of years ago humans and monkey chimpanzee ND gorillas have Sam ancestors and in evolution of human 1or2 position of human is just same to chimpanzee and also 99%dna r same and behavior character chimpanzee r highly evolved and so they r intelligent in all mammals

Answer 2

All the humans are a single species with a common ancestor because they have common body design, common genetic blueprint, common metabolism , constant chromosome number and there is no biological basis to the notion of human races.Regardless of where we have lived for thousands of years,we all come from Africa. Our genetic footprint can be traced back to our African roots.
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hope it helps!!