Orphan genes, found only in specific lineages, are key drivers of new functions and phenotypic traits. This discovery lays a foundation for understanding how roses thrive under environmental challenges. Orphan genes, found only in specific lineages, are key drivers of new functions and phenotypic traits. This discovery lays a foundation for understanding how roses thrive under environmental challenges. Plants & Animals Molecular & Computational biology Phys.org – latest science and technology news stories