1. Dolly the Sheep (1996)
- Dolly was the first mammal to be cloned from an adult somatic (body) cell. She was created using the technique of somatic cell nuclear transfer (SCNT), which involved transferring the nucleus from a mammary gland cell of an adult ewe into an egg that had its nucleus removed.
2. Cloned Cattle
- Several breeds of cattle have been successfully cloned, including Holstein, Hereford, Angus, and Wagyu. Cloning in cattle has been used for research and agricultural purposes, such as improving milk production, disease resistance, and meat quality.
3. Cloned Pigs
- Pigs have been cloned for various research applications, including studying organ transplantation, disease modeling, and xenotransplantation (transplantation of animal organs to humans).
4. Cloned Dogs and Cats
- In 2005, the first cloned dog, Snuppy, was born in South Korea. Since then, several other dogs have been cloned, including a pet dog named Booger. Cloning of cats has also been achieved, but it is more challenging due to the complexity of feline reproductive biology.
5. Cloned Horses
- Cloning has been used to reproduce champion horses for sports, such as racing and show jumping. The cloning of horses began with the birth of the cloned mare Prometea in 2003.
6. Cloned Endangered Species
- Artificial cloning has been explored as a conservation tool for endangered species, although it is still in the early stages. Successful cloning has been achieved for species like the Przewalski's horse and the Pyrenean ibex.
7. Cloned Plants
- Cloning in plants is a widely used technique for asexual propagation and maintaining genetic uniformity in horticulture and agriculture. Plant cloning methods include vegetative propagation, tissue culture, and micropropagation.
It is important to note that while cloning has made significant advancements, there are still ethical, technical, and safety considerations associated with the technology, and its use is subject to regulations in many countries.