Genetic disorders

Question 1

What is Cystic Fibrosis caused by?

Answer 1

A recessive allele

Question 2

What is Cystic Fibrosis?

Answer 2

Genetic disorder of cell membranes

Question 3

What are carriers?

Answer 3

People with 1 copy of the allele

Question 4

What must happen for a child to have a disorder?

Answer 4

Both parents must be carriers or sufferers

Question 5

What is Polydactyl caused by?

Answer 5

A dominant allele

Question 6

What is polydactyl?

Answer 6

Extra fingers/toes

Question 7

How is Polydactyl inherited?

Answer 7

From 1 parent who is a sufferer

Question 8

What happens during IVF?

Answer 8

Embryos fertilised in lab, implanted in womb

Question 9

What can be done before implantation?

Answer 9

Cells from each embryo removed, to analyse gene (detect disorders)

Question 10

4 arguments for embryo transplanting

Answer 10

Stop suffering
Laws to stop it going too far
Healthy embryo selected
Saves government money

Question 11

4 arguments against embryo transplanting

Answer 11

Make desirable babies
Rejected embryos destroyed
Prejudice against genetic problems
Expensive