Cloning- What is it

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What is cloning?

Do Now: Review our test.

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What is a clone?

Clone refers to genetically identical cells originating from one cell.

What are they talking about when they refer to “cloned animals”?

They take DNA from a cloned cell of another animal, and insert it into a zygote that had its DNA removed, and replace it with the cloned DNA.

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What cloning looks like on a cellular level…

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Who did they clone?

In 1997, they successfully cloned the first animal- a lamb named Dolly.

The nucleus they used was from an adult of the same species.

Since then, they have successfully cloned sheep and pigs.

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Why do they want to clone animals?

They do this to study genetic disorders and disease susceptibility.

It is done strictly for medical research.

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In the blue Biology book…

Turn to page 331 and read up to 333.

Answer questions 1-4 on page 333. You need to read the previous pages in order to answer the questions.

Make sure your name is on the paper – it will be collected.