|an American breed of small compact saddle horse|
|[C19: named after Justin Morgan (1747--98), American owner of the original sire]|
|1.||Edwin (George). born 1920, Scottish poet, noted esp for his collection The Second Life (1968) and his many concrete and visual poems; appointed Scottish national poet 2004|
|2.||Sir Henry. 1635--88, Welsh buccaneer, who raided Spanish colonies in the West Indies for the English|
|3.||John Pierpont. 1837--1913, US financier, philanthropist, and art collector|
|4.||(Hywel) Rhodri (ˈrɒdrɪ). born 1939, Welsh Labour politician; first minister of Wales from 2000|
|5.||Thomas Hunt. 1866--1945, US biologist. He formulated the chromosome theory of heredity. Nobel prize for physiology or medicine 1933|
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.