Evolution: when was life's first branch point?
A recent analysis of protein sequences from diverse organisms has estimated that all extant species share a common ancestor that lived only 2 billion years ago; but how can this be squared with the fossil evidence that complex cells existed up to 3.5 billion years ago?
Golding
B
B
Department of Biology, McMaster University, Hamilton, Ontario, Canada.
D000818:Animals; D005075:Biological Evolution; D004798:Enzymes / Q000235:genetics*; D005580:Fossils; D005656:Fungal Proteins / Q000235:genetics; D010940:Plant Proteins / Q000235:genetics
D004798:Enzymes; D005656:Fungal Proteins; D010940:Plant Proteins