Complex sentence: A genome is described as a directed, edge labeled graph with each vertex having degree 1 or 2, edges representing synteny blocks, vertices of degree 1 representing telomeres, and vertices of degree 2 representing adjacencies between blocks.
Split into simpler sentences: A genome is described as a directed, edge labeled graph with each vertex having degree 1 or 2. Edges are labeled as synteny blocks, vertices of degree 1 represent telomeres, and vertices of degree 2 representing adjacencies between blocks.