Cow cloning research

Cow cloning research

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Caption: Cow cloning research. Light micrograph of a cow oocyte (round) during an attempt to clone a Brahman bull named Chance. To clone a cow an oocyte is taken from a female and its nuclear material is removed. Genetic material is taken from a body (somatic) cell of the animal to be cloned and injected into the empty nucleus. The resulting cloned oocyte is grown to the embryo stage and then implanted in a foster cow's uterus. It took 189 attempts to clone Chance. The clone, named Second Chance, was the first calf cloned from an adult male. Photographed at Texas A&M University, USA, in 1999. Magnification: x350 when printed at 10 centimetres wide.

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Keywords: 1900s, 1999, 20th century, american, animal, bioengineering, biological, biology, biotechnology, brahman bull, cloning, egg, engineered, engineering, equipment, genetic, genetically, genetics, lab, laboratory, light micrograph, light microscope, micromanipulation, microneedle, micropipette, north america, north american, oocyte, research, second chance, texas a and m university, transgenic, united states, us, usa

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