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.
As of the 2000 census, the city population was 3,381. It is the county seat of Shiawassee County. The City of Corunna is located within Caledonia Charter Township, although it is an independent political entity. Michigan Governor Andrew Parsons was a long-time resident of Corunna. A historical marker commemorating Parsons in Corunna was erected in 1969 According to the United States Census Bureau, the city has a total area of 3.1 square miles (8.1 kmÂ²), of which, 3.1 square miles (8.0 kmÂ²) of it is land and 0.04 square miles (0.1 kmÂ²) of it (1.28%) is water.