Purpose of review: With improved methods for detecting chimeras and growing numbers of stem cell transplantations, blood group and other forms of chimerism are observed with increasing frequency. This review will focus on the state of science and new insights into the multifaceted subject of blood group chimerism.
Brea, California. Brea (meaning oil or tar in Spanish) is a city in Orange County, California. The population as of the 2010 census was 39,282. It is located 33 miles southeast of Los Angeles.
Rancho La Brea (colloquially known as the La Brea Tar Pits) is one of the world's most famous fossil localities, recognized for having the largest and most diverse assemblage of extinct Ice Age plants and animals in the world.he fossiliferous asphalt seeps are located in the heart of Los Angeles' Miracle Mile, in the southwest corner of what was once the Mexican land grant of Rancho La Brea. The Rancho La Brea collections are housed on-site at the George C. Page Museum at the La Brea Tar Pits in Hancock Park.