If the two double-mutant recombinants in a tetratype ascus cannot be distinguished. phenotypically from the four single-mutant parental types, progeny-tests or complementation-tests may be. required. The reverse situation may arise, where it is desired to recover a single-mutant component from a double. mutant strain.
For places named New Market, see New Market (disambiguation). Newmarket is a market town in the English county of Suffolk, approximately 65 miles (105 kilometres) north of London. It is generally considered the birthplace and global centre of thoroughbred horse racing and a potential World Heritage Site.
Parts of Plumas Countyâs territory were given to Lassen County in 1864. The population of Plumas County, as of the year 2000, was 20,824. The county seat is Quincy. The only incorporated city in the county is Portola. In the entire county, there are just three stoplights â two at Quincy intersections and one at a Portola intersection. According to the U.S. Census Bureau, Plumas County has a total area of 2,613 square miles.