Topic 15- Genetic Disorders And Gene Therapy

Question 0

What is cystic fibrosis?

Answer 0

Where the lungs and the digestive system are clogged with thick mucus

Question 1

What are 4 examples of a genetic disorders?

Answer 1

Cystic fibrosis, haemophilia, huntingtons chorea and red-green colour blindness

Question 2

How is cystic fibrosis caused?

Answer 2

By a recessive allele.

Question 3

What group of people show no symptoms of cystic fibrosis and who have cystic fibrosis?

Answer 3

Heterozygous show no symptoms

Homozygous have the gene from a cystic fibrosis allele from both parents

Question 4

What is the name to offspring that have the cystic fibrosis allele?

Answer 4

Carriers

Question 5

What gene therapies are being investigated to prevent cystic fibrosis?

Answer 5

To replace a faulty gene with a normal one. However, its only a temporary cure as they modified cells will die and be replaced with faulty ones

Question 6

What could be a permanent cure to cystic fibrosis?

Answer 6

If genes could be replaced in embryos. However this could enable us to alter eye colour and hair colour of their child. This is called ‘designer babies’