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BY Madiha Intikhab 11HB

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What is selective breeding?

Selective breeding is the process in which the best animals or plants are chosen
and are bred together. Then the best animals are chosen in their offspring (F1).
These are then bred again to give F2 generation. This carries on many generations
until a…

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Clones are animals and plants that are genetically identical. For example identical
twins and triplets are natural clones because they have the same genes

There is also artificial cloning- Dolly the sheep was the first cloned mammal in
1996 and since then using the same techniques, lots of mammals…

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is then nurtured and divides until it becomes an embryo. The embryo is then
placed inside a surrogate mother and develops inside the surrogate.
The Roslin Technique

The Roslin Technique is a variation of somatic cell nuclear transfer that was
developed by researchers at the Roslin Institute. The researchers used…

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The ability to clone genetically modified animals. These animals could include
cows that produce milk with no lactose, which would help people who are allergic
to lactose.


Gene therapy treats diseases and disorders by modifying a person's genome.


An advantage…

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Ethical and legal problems - Many believe that this is an invasion of privacy. They
believe that if prenatal tests are performed that these could lead to an increase in
the number of abortions.

Religious concerns - Religious groups and creationists may consider the alteration
of an individual's genes as…


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