Super class for all Genome ontology concepts. High level concept of an organism's genome. Reference to Sequence Ontology 'chromosome' (SO_0000340). Equivalent to Sequence Ontology 'Chromsome' class (http://sswapmeet.sswap.info/SO/SO_0000340). Standardized predicate for any "thing" to assert a relationship a Chromosome. Standardized predicate for any "thing" to assert a relationship a Genome. Super property of all object properties in this ontology. Useful for grouping object properties when viewing ontologies from multiple namespaces. Predicate for storing the chromosome number, such as "2".