Retroposons that share structural similarities with retroviruses, such as the HIV virus, are called ‘viral retroposons’. Viral retroposons are movable genetic elements that undergo reverse ...
The relationships of passerines (such as the well-studied zebra finch) with non-passerine birds is one of the great enigmas of avian phylogenetic research, because decades of extensive morphological ...
A new study adds support to two earlier reports that songbirds and parrots are each other's closest relatives (Psittacopasserae), indicating that vocal learning abilities appeared in this group of ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results