411 REFERENCE · Wiktionary
Philadelphia chromosome
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
thumb|The translocation
Etymology
The abnormality was first discovered and described in 1959 by David Hungerford from the Fox Chase Cancer Center Institute for Cancer Research and Peter Nowell from the University of Pennsylvania School of Medicine. Both facilities are located in Philadelphia, Pennsylvania.
Noun
Human chromosome 22, after it has, pathologically, traded some of its genetic material with chromosome 9; this often causes chronic myelogenous leukemia.
en Ph chromosome
Further reading