PKU and the other causes of hyperphenylalaninemia are inherited in a recessive fashion. This means an affected person inherited two traits for the disorder (e.s., one from each parent). A person with one trait for the disorder, is called a 'carrier' for PKU. Carriers do not have symptoms of the disorder. SYMPTOMS:
Last but certainly not least, aluminum pontoon boats are the most common type of pontoon boat on the market. The majority of major pontoon boat manufacturers make their pontoons using aluminum as well. Unlike steel, aluminum is non-corrosive, meaning that the pontoons wonât rust over time just from being exposed to moisture.
Remember Grandpaâs pontoon boat: two tubes topped with plywood, pushed around by a balky, smoke-belching outboard? Well, pontoon boats today pull skiers, wakeboarders and tubers. They count passengers into the double digits. They can blow your hat off your head â and pivot on the proverbial dime to retrieve it before it sinks.