Chimps and humans are cousins. They share a common ancestor. They diverged about seven milion years ago, possibly from Sahelanthropus tchadensis, and possibly not. No one is sure.
"Necessary number of fixed mutations" is not a phrase that any scientist would recognize, and mutation is not the main driver of evolution in animals that reproduce sexually.
I already answered that.
Chimps and humans are cousins. They share a common ancestor. They diverged about seven milion years ago, possibly from Sahelanthropus tchadensis, and possibly not. No one is sure.
"Necessary number of fixed mutations" is not a phrase that any scientist would recognize, and mutation is not the main driver of evolution in animals that reproduce sexually.