Glossary of terms used in phylogeny reconstruction Glossary of terms used in Phylogeny Reconstruction. This is an algorithm that uses a short-cut or educated guess in order to reduce the amount of time necessary to execute an algorithm or method. This is a gene or morphological character that shares a common ancestry with a different gene or morphological character. Homologous Descended from a common ancestor. For molecular sequence data, it is taken to mean that two sequences or even two characters within sequences are descended from a common ancestor.
Sequences show a certain amount of similarity.
From this similarity value, we can probably infer that the sequences are homologous or not. You are either pregnant or not, two sequences are either homologous or they are not. Homology see Homologous . The existance of characters that have been subject to reversals , convergences or parallelisms . Choose the first letter of your term.