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Question 1

Parkinson’s disease is one of the most common neurodegenerative disease worldwide, yet it has no cure.

Researchers are investigating whether stem cells can be used to replace nerve cells in patients diagnosed with Parkinson’s. 

a)

Explain why researchers are obtaining these stem cells from the bone marrow. 

(0/2 marks)

b)

Stem cells can also be obtained from embryos. 

Name one other potential source of human stem cells. 

(0/1 marks)

c)

Embryonic stem cells are used in the development of an embryo.

Explain the role of these stem cells. 

(0/2 marks)

d)

Describe an ethical issue associated with the use of embryonic stem cells. 

(0/2 marks)

0

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