Word: interbreeding
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It happened quite accidentally. Dr. Theodosius Dobzhansky, one of the world's foremost genetic researchers, was experimenting with an amber-colored South American fruit fly known as Drosophila paulistorum at Manhattan's Rockefeller University. He was interested in one particular strain of the fly from the Llanos district...
The job is complicated because there are at least two species of influenza virus (A and B) and several strains of each. While in the U.S., Sir Frank has been telling colleagues about his latest discovery: two strains of the same species can interbreed and produce offspring according to Mendelian...
The brown rat (Rattus norvegicus) is bigger and meaner. Sometimes brown rats massacre black rats, but more commonly they interbreed, blending the species into an intermediate type. The U.S., which has both kinds (and others too), is a melting pot for rats.
Bromfield unveils Anna Bolton, daughter of an Ohio scrubwoman, as a glittering creature of wealth in Neville Chamberlain's London. He takes her from this lavishly mad prewar society, spots her at the Ritz in Paris while France is falling, has her strafed in her Rolls-Royce in a...
Last week the American-Aberdeen Angus Breeders Association celebrated its Golden Jubilee at the Exposition with the greatest of jubilation. Never before could any breed fancier lay claim to so proud a boast. When all the judging was done in the new Temple of Agriculture, black Aberdeen Anguses had waddled...