The main stem of the Bay itself is about 189 miles (304 km) long, from the Susquehanna River in the north to the Atlantic Ocean in the south. At its narrowest point near Annapolis, Maryland, the Bay is 4 miles (6.4 km) wide; at its widest point, near the mouth of the Potomac River, it is 30 miles (50 km) wide.
Patau syndrome. Patau syndrome is a syndrome caused by a chromosomal abnormality, in which some or all of the cells of the body contain extra genetic material from chromosome 13. The extra genetic material disrupts normal development, causing multiple and complex organ defects.
Best Answer: Patau syndrome is the name for trisomy 13. (Just as Downs syndrome is the name for trisomy 21). It is an extra copy of chromosome 13 in the human DNA. Most of us have 2 copies of every chromosome, kids with Patau have 3 copies of #13.