Inheritance of Cystic Fibrosis
Cystic fibrosis is a genetic disorder of cell membranes that causes thick, sticky mucus to build up.
Is cystic fibrosis caused by a dominant or recessive allele?
What is Inheritance of Cystic Fibrosis?
"Cystic fibrosis is an inherited life-threatening disorder that damages the lungs and digestive system."
Which statement accurately describes inherited disorders at a GCSE level?
GCSE Biology: Polydactyly is caused by which type of allele?
Polydactyly is caused by which type of allele?
Which statement accurately describes inherited disorders at a GCSE level?
Disease Specifics
Caused by a recessive allele.
To have the disorder, a person must inherit the faulty allele from BOTH parents.
People with only one copy of the allele are called "carriers".
If two carriers have a child, there is a 1 in 4 chance the child will have cystic fibrosis.
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