Stories We Like: A Guide to the Comma
morgan mor·gan (môr'gən)
Abbr. M A unit for expressing the relative distance between genes on a chromosome based on the frequency with which the genes cross over; one unit equals a theoretical crossover value of 100 percent between two loci.
Morgan Mor·gan (môr'gən), Thomas Hunt. 1866-1945.
American biologist. He won a 1933 Nobel Prize for establishing the chromosome theory of heredity by his studies of the fruit fly Drosophila.
Vane (vān), John Robert. Born 1927.
British pharmacologist. He shared a 1982 Nobel Prize for research on prostaglandins.
American zoologist whose experiments with fruit flies demonstrated that hereditary traits are carried by genes on chromosomes and that traits can cross over from one chromosome to another. He was awarded the Nobel Prize for physiology or medicine in 1933.
city, Jefferson county, north-central Alabama, U.S., about 15 miles (25 km) southwest of downtown Birmingham in the foothills of the southern Appalachian Mountains. Named for inventor and engineer Sir Henry Bessemer, it was founded on the site of Fort Jonesboro in 1887 by Henry F. DeBardeleben, a local coal and iron baron who built the first steel plant in the area. The city was planned as a steel centre, and its manufactures included railroad cars, pipe, structural materials, chemicals, and explosives. Service industries now dominate the city's economy, but the manufacture of metal products remains important. Tannehill Ironworks Historical State Park is 12 miles (19 km) southwest of Bessemer and hosts the Southern Appalachian Dulcimer Festival in May. Inc. 1888. Pop. (1990) 33,497; (2000) 29,672.