Genetic disorders Flashcards
1
Q
What are cystic fibrosis and Huntington’s disease caused by?
A
It is caused by a faulty allele of a single gene.
2
Q
What are the symptoms of cystic fibrosis?
A
Thick sticky mucus in the gut, air passages and gut Infertility breathing difficulties chest infections difficulty digesting food
3
Q
What are carriers?
A
People who carry the gene but don’t show the symptoms
4
Q
What is the chance of having CF if both parents are carriers?
A
1 in 4 or 25%
5
Q
Is Huntington’s recessive or dominant?
A
dominant
6
Q
Is cystic fibrosis recessive or dominant?
A
Recessive
7
Q
What are the symptoms of Huntington’s?
A
Tremors, memory loss, poor concentration loss of understanding , mood changes,
8
Q
what is the percentage of getting Huntington’s if one parent is a carrier?
A
50% or 1 in 2
9
Q
What is a late onset?
A
The symptoms will appear over the age of 40
