1. What exactly is cloning?
Cloning is the creation of an organism that is an exact genetic copy of another. This means that every single bit of DNA is the same between the two!
Dolly
IS IT CLONING ?  OR NOT ? Test your cloning savvy with this interactive quiz.

2. Species cloned
The modern cloning techniques involving nuclear transfer have been successfully performed on several species. Landmark experiments in chronological order:
Tadpole: (1952)
Carp: (1963)
Mice: (1986)
Sheep: (1996) MOLLY
Rhesus Monkey: (January 2000)
Gaur: (2001)
Cattle: (males, 2001) and (2005)
Cat: (2004)
Dog: (2005)
Rat: first cloned rat (2003)
Mule: 2003
Horse: 2003
Water Buffalo: 2009
Camel: (2009)

3. The fused cell begins dividing, becoming an embryo. ____________
A donor cell is taken from a sheep’s udder.
Donor Nucleus
These two cells are fused using an electric shock.
Fused Cell
The fused cell begins dividing normally.
Embryo
The embryo is placed in the uterus of a foster mother.
Foster Mother
The embryo develops normally into a lamb—Dolly
Cloned Lamb
Egg Cell
An egg cell is taken from an adult female sheep.
The nucleus of the egg cell is removed.
The fused cell begins dividing, becoming an embryo. ____________
The embryo develops into a cloned animal ____________________
An egg cell is taken from a donor animal ______________________
The embryo is implanted into the uterus of a foster mother. _______
The body cell and egg are fused by electric shock. ______________
A body cell is taken from a donor animal ______________________
The nucleus is removed from the egg. ________________________

4. 1. What is a clone?
2. Is the following sentence true or false? For years, many scientists thought that it was impossible to clone bacteria ________________
3. List two benefits of cloning:
4. List two concerns of cloning:
5. What kinds of mammals have been cloned in recent years?
6. Why do not scientists clone humans?
A member of a population of genetically identical cells produced from a single cell
true
a) It may help to save endangered species
b) It makes copies of transgenic animals
Cloned animals may suffer from a number of genetic defects
Cloned animals may have health problems
Sheep, cows, pigs, mice, horse,…
Many people oppose the cloning of humans because ethical, moral, and religious reasoning

5. 7. Individual cells can be isolated from a mature plant and grown with special mixtures of growth hormones to produce a number of genetically identical plants. This process is known as
8. From a single monkey, an animal breeder claims that he has successfully cloned two monkeys. He displays the two monkeys, a male and a female, to the public. The claim of the breeder should be rejected because
9. Write a paragraph in which you express you opinion about cloning human beings.
cloning
The two monkeys are not genetically identical, they show different sex genders.