Genetic Disorders

Question 0

What is polydactyly?

Answer 0

Having extra fingers or toes

Question 1

How do you get some genetic disorders?

Answer 1

They can be inherited

Question 2

How is polydactyly caused?

Answer 2

By a dominant allele of a gene

And can therefore be passed on by only one parent who has the disorder

Question 3

What is cystic fibrosis?

Answer 3

A disorder of cell membranes

Question 4

How can you get cystic fibrosis?

Answer 4

Must be inherited from both parents

The parents may be carriers of the disorder themselves.

Question 5

How is cystic fibrosis caused?

Answer 5

It is caused by a recessive allele of a gene and can therefore be passed on by parents, neither whom has the disorder

Question 6

What can embryos be screened for?

Answer 6

For the alleles that cause these and other genetic disorders