Inherited Disorder

Question 1

What is cystic fibrosis?

Answer 1

Cystic fibrosis is a genetic disorder that causes the production of abnormally thick mucus which leads to the blockage of the pancreatic ducts, intestines and bronchi. This often leads to infection.

Question 2

What is the chance of getting cystic fibrosis?

Answer 2

As the allele for cystic is recessive (c) you would need both parents to have to for the offspring to inherit it. A healthy allele is dominant (C).

Question 3

What is polydactyly?

Answer 3

Polydactyly is a disorder that results in a child being born with extra digits on their hands or feet. This can be small stumps of soft tissue or extra fingers or toes .

Question 4

What is the chance of inheriting polydactyly?

Answer 4

Polydactyly is dominant, this means if one parent has the gene it is likely.