The genotypeâphenotype distinction is drawn in genetics.  Genotype  is an organism's full hereditary information.  Phenotype  is an organism's actual observed properties, such as morphology, development, or behavior. This distinction is fundamental in the study of inheritance of traits and their evolution.he genotypeâphenotype distinction is drawn in genetics.  Genotype  is an organism's full hereditary information.  Phenotype  is an organism's actual observed properties, such as morphology, development, or behavior. This distinction is fundamental in the study of inheritance of traits and their evolution.
St. Luke's Church. St. Luke's Church is the oldest public building in Rochester. It was built in 1823 and was Nathaniel Rochester's home church for many years. It is located at 17 South Fitzhugh Street, in the middle of downtown Rochester.
Stone wall. The oldest known human-made structure. The structure is a stone wall that blocked two-thirds of the entrance to the Theopetra cave near Kalambaka on the north edge of the Thessalian plain. It was constructed 23,000 years ago, probably as a barrier to cold winds.he following are amongst the oldest buildings in the world. Many of them are brick structures. There are numerous extant structures that survive in the Orkney islands of Scotland, some of the best known of which are part of the Heart of Neolithic Orkney World Heritage Site.