6.5 Adult cell cloning

Question 1

What is adult cell cloning?

Answer 1

When the nucleus of a cell from an adult replaces the nucleus of an egg cell. The animal which grows from this will be genetically identical to the adult donor. Usually a skin cell is used

Question 2

What are the steps in adult cloning?

Answer 2

Nucleus removed from an unfertilized egg cell

Nucleus removed from an adult skin cell and put inside the unfertilized egg cell.

The new cell given an electric shock which makes it start to grow.

When it has grown into several cells, it is an embryo and is implanted into the host mother.

Question 3

What are the steps in adult cloning?

Answer 3

Nucleus removed from an unfertilized egg cell

Nucleus removed from an adult skin cell and put inside the unfertilized egg cell.

The new cell given an electric shock which makes it start to grow.

When it has grown into several cells, it is an embryo and is implanted into the host mother.

Question 4

Who was Dolly the sheep

Answer 4

First animal produced by adult cloning, 1997

Question 5

What are the benefits of adult cell cloning

Answer 5

Animals can be genetically engineered to produce proteins in their will which can be used in medicine

Can be used to save animals from extinction

Question 6

Disadvantages of adult cell cloning

Answer 6

Concerns about ethics (tampering with life)

Is it ok to clone humans?

Limits variations in populations

Question 7

Name the cells needed in adult cell cloning

Answer 7

An unfertilized egg cell and an adult cell, usually a skin cell