Quiz : Dolly The Sheep

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1. Scientists have already cloned a human.

True

False

The South Korean team that claimed to have cloned a human embryo in 2004 admitted to have only told a part of the truth. We can probably assume the same about Clonaid, the religious group that announced in 2002 that they were raising a baby girl clone. A lot of countries have baned human cloning.

Explanation

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2. When they talk about cloning on the news, they're usually talking about reproductive cloning – making a new baby animal that is the twin of an existing animal. What is the process used to do this?

Photosynthesis

Somatic cell nuclear transfer

Transgenetic process

Baaa

It’s called “somatic cell nuclear transfer.” A scientist takes the nucleus (including DNA) from a somatic cell and puts it into an egg that has had its nucleus removed.

Explanation

It’s called “somatic cell nuclear transfer.” A scientist takes the nucleus (including DNA) from a somatic cell and puts it into an egg that has had its nucleus removed.

3. How many organisms are needed to clone?

The somatic cell donor, the egg donor, the host.

Explanation

The somatic cell donor, the egg donor, the host.

4. A cloned animal has almost the same DNA as the animal that was cloned.

True

False

In reproductive cloning, only the nucleus is used. The nucleus contains DNA, so the clone inherits that DNA from the animal that gave the egg.

Explanation

In reproductive cloning, only the nucleus is used. The nucleus contains DNA, so the clone inherits that DNA from the animal that gave the egg.

5. Dolly was born the 24^th of February 1997. When were these news broadcasted ?

February 1997

September 1997

April 2012

Dolly was 7 months old when the video was shot.. So, if she was born in February 1997, these news must have been shooted in September 1997.

Explanation

Dolly was 7 months old when the video was shot.. So, if she was born in February 1997, these news must have been shooted in September 1997.

6. The adult sheep which has given mammal cells was 8 years old.

True

False

6 years old.

Explanation

6 years old.

7. What is the organism which hadn't been cloned in laboratory before Dolly's birth?

Mouse

Carp

Carrot plant

Cumulina, the first cloned mouse was born in October 1997.
(Carp was cloned in 1963 and carrot plants were cloned in 1958.

Explanation

Cumulina, the first cloned mouse was born in October 1997.
(Carp was cloned in 1963 and carrot plants were cloned in 1958.

8. What is a mammal cell?

Any cell

Any cell other than a sex cell

A sex cell

A somatic cell

Any cell of a plant or an animal other than a sex cell (sex cell : e.g. spermatozoon, ovum)

Explanation

Any cell of a plant or an animal other than a sex cell (sex cell : e.g. spermatozoon, ovum)

9. What is the approximate success rate of this reproductive cloning (Dolly)?

1/400

1/300

1/1000

So you could put somatic cell nuclei into eggs 3 000 times, and maybe 10 might work.

Explanation

So you could put somatic cell nuclei into eggs 3 000 times, and maybe 10 might work.

10. Cloning is making a biological entity that appears like another.

True

False

Cloning is making an exact copy of some biological entity.

Explanation

Cloning is making an exact copy of some biological entity.

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Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
May 03, 2012

Quiz Created by
Eorfeuille