 At the same time there is little or no evidence for protein expression for genes that have appeared since primates or that do not have any protein-like features or conservation.
<fluency>  At the same time there is little or no evidence for protein expression for genes that have appeared since primates or that do not have any protein-like features or conservation.
 At the same time there is little or no evidence for protein expression for genes that have appeared since primates , or genes that do not have any protein-like features or conservation.