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Stories about: chimerism

World's Smallest Monkeys and Chimerism These are the world's smallest monkeys. The marmosets (22 species are found in Brazil and few in adjacent tropical countries) live in both dry and wet forests. Most of them have a body 25 cm (10 in) long, with a 35 cm (14 in) long tail, while the weight is around 250 grams (0.55 pounds). The long tail, used for ... 1 April 2008 10:10 GMT Chimerism: When Your Sperm Is Not Yours Imagine that your balls or your ovaries do not produce your sperm or your eggs but those of your brothers or sisters!This is called "germ line chimerism" and as odd as it sounds, it has been found to be a norm in one of our relatives, the marmoset monkey from tropical South America! In chimerism, some of the sperm o... 27 March 2007 10:11 GMT