Cystic Fibrosis is NZ's most common life-threatening inherited disease and the CF Association is the only national organisation dedicated to all aspects of the condition.

The Inheritance of Cystic Fibrosis

Figure 1:
Both Parents Carriers
Carrier Carrier
Carrier Carrier   CF Child Normal
Carrier Carrier   CF Child Normal
Result: 50% of children carriers, 25% of children have CF, 25% of children normal


Figure 2:
CF Parent Normal Parent
Carrier Carrier   Carrier Carrier
Carrier Carrier   Carrier Carrier
Result: All children carriers


Figure 3:
Carrier CF Parent
Carrier Carrier   CF Child CF Child
Carrier Carrier   CF Child CF Child
Result: 50% of children carriers, 50% of children have CF
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