Genetic Disorders Flashcards
What is polydactyl caused by
Dominant allele
What is cystic fibrosis
A genetic disorder of the cell membranes
What is the result of cystic fibrosis
The body produces a thick mucus in the air passage and in the pancreas
How many people who carry the recessive allele that causes cystic fibrosis
1 person in 25
Who carries cystic fibrosis
People with recessive alleles, only one copy
How can a child get cystic fibrosis
Both parents must be either carriers or sufferers
What is polydactyl
A genetic disorder where a baby is born with extra fingers or toes
What causes the disorder
The dominant allele
Who else can be a suffer of polydactyl other than a child
The parent that has the defective allele will also be a sufferer
What is the chance of a child having polydactyl
50% chance of a child getting the disorder if one parent has the D allele
What is cystic fibrosis caused by
Recessive allele
