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They also took the lead in cloning animals not limited to just dogs and cats. Dogs cost $50,000 to clone. Cats are significantly less expensive to clone than dogs, costing a total of $35,000 which is a pretty big difference.

No one has ever cloned a human being, though scientists have cloned animals other than Dolly, including dogs, pigs, cows, horses and cats. Part of the reason is that cloning can introduce profound genetic errors, which can result in early and painful death.

These include an increase in birth size and a variety of defects in vital organs, such as the liver, brain and heart. Other consequences include premature aging and problems with the immune system. Another potential problem centers on the relative age of the cloned cell's chromosomes.

Researchers have observed some adverse health effects in sheep and other mammals that have been cloned. These include an increase in birth size and a variety of defects in vital organs, such as the liver, brain and heart. Other consequences include premature aging and problems with the immune system.

Disadvantages of Cloning Not reliable. ... Eliminates genetic diversity. ... High level of uncertainty. ... Not at all a safe process. ... Cloning is unethical. ... It can easily be misused. ... It may promote discrimination.

Some animal-welfare groups, such as the Humane Society, oppose cloning. It said that companies offering to clone pets just profit off of people who are grieving for their pets. The group said these companies falsely promise a copy of a beloved pet.

Since human cloning deals with human life, it said to be unethical if people are willing to killed embryo or infant to produce a cloned human and advancing on it. The probability of this process is successful is also small because the technology that being used in this process is still new and risky.

Animals involved in the cloning process suffer The cloning of farm animals can involve great suffering. A cloned embryo has to be implanted into a surrogate mother who carries it to birth. Cloned embryos tend to be large and can result in painful births that are often carried out by Caesarean section.