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.
The oldest masonry fort in the continental United States, the Castillo de San Marcos is a large Spanish stone fortress built to protect and defend Spain's claims in the New World. It's a National Monument and, at over 315 years old, it's the oldest structure in St. Augustine.