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.
Hi, I'm Mark Lauf with Castaway Marina here in Queensbury, New York. Today for About.com I'm here to tell you about different types of power boats. Fishing boats are a very popular type of boat. They come usually in aluminum construction and in fiberglass construction. They're generally outboard powered. Some of the more common types of fishing boats are the small aluminum open type boats that you can paddle or row or put a small outboard on.