Phenotypes are the sets of observable (visual) characteristics of an individual; things that we notice such as hair color/texture, eye color/shape, skin color or any other characteristics that might result from the interaction of its genotype (or genetic constitution"genetic constitution" may also be known as genotype, meaning the way in which someone or something is composed; attributes of people;) with the environmentthe surroundings or conditions in which a person, animal, or plant lives or operates; the aggregate of surrounding things, conditions, or influences;Â ecology, the air, water, minerals, organisms, and all other external factors and influences