Chromatin organization by phase separation means that proteins are targeted to one liquid or the other based not on size, but on other physical traits, like charge, flexibility, and interaction partners.» (newscenter.lbl.gov)
Scientists use various physical features, such as skin color, facial features, hair, etc. along with other physical traits, in order to distinguish different people of different races, for instance south Asians from East Asians and Europeans from Africans. (interracialdatingguide.com)
The team considers that accuracy rate satisfactory, given the complexity of the genetics behind skin color and other physical traits. (sciencemag.org)