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Define asexual reproduction in animals:
Asexual reproduction is defined as the process in which single parent is involved in offspring production. No fertilization and fusion of gametes take place in this type of reproduction. This type of reproduction is seen in cases of lower animals like hydra and microscopic organisms like an amoeba. Asexual reproduction generally involves two methods namely budding and binary fission.
Budding takes place in case of hydra and binary fission is generally seen in case of microscopic organisms. Cloning is a process used for producing an exact copy of organisms.
In this method, an outgrowth from the parent body results in the formation of an individual. This outgrowth also known as buds results from splitting of certain cells from the parental body. Organism detaches itself from the parental body after it attains maturity. Since bud formation results in individual development this method is known as budding. This type of method is seen in case of hydra. Buds can be observed on permanent slides of hydra if placed under the microscope.
It is another method of asexual reproduction in which individual parent results in offspring development. This kind of asexual reproduction is generally observed in case of microorganisms. In this method nuclei of the cell divides into two individual nuclei. This is followed by division of body in such a way that each part receives a nucleus. Finally, the two cells detach from each other resulting in two daughter cell production. As the genetic material inside the nucleus is equally divided the daughter cells thus formed are identical to each other. This process can be observed in case of an amoeba.
Cloning of cells
Cloning is defined as the process by which exact copy of an organism is produced. Successful cloning of animals was performed by Ian Wilmut and his co-workers for the first time in case of sheep. The cloned sheep was named Dolly.Animals born with the help of cloning process generally have abnormalities associated with them.