Screening For Genteic Disorders

Question 1

Compare the issues involved with embryo screening for cystic fibrosis and polydactyly

Answer 1

For cystic fibrosis:
-reduces number of people with cystic fibrosis
-reduce healthcare costs
-freedom of choice whether to terminate or keep embryo

However it’s unethical and risk to embryo

For polydactyl:
Cures disfigurement

Question 2

What is embryonic screening?

Answer 2

Embryos tested to see if they have allele for inherited disorder

Question 3

What are advantages of embryonic screening?

Answer 3

Avoids suffering for child with inherited disorder
Saves money in long term
Protected by laws to stop parents abusing for desired characteristics

Question 4

What is gene therapy?

Answer 4

Faulty genes replaced with normal genes

Question 5

Suggest one reason why people support screening of embryos for cystic fibrosis

Answer 5

Reduces number of people with disorder

Reduce health care cost

Question 6

Why are people against screening of embryos for cystic fibrosis

Answer 6

Damage or risk to embryo

Unethical

Expensive

Question 7

What allele is cystic fibrosis caused by?

Answer 7

Recessive allele

Question 8

What allele is causes polydactyl

Answer 8

Dominant