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Questions and Answers
What type of genetic inheritance does cystic fibrosis demonstrate?
What type of genetic inheritance does cystic fibrosis demonstrate?
- Recessive (correct)
- Co-dominant
- Dominant
- X-linked
Which of the following symptoms is NOT associated with cystic fibrosis?
Which of the following symptoms is NOT associated with cystic fibrosis?
- Blood clotting disorders (correct)
- Lung congestion
- Severe digestive problems
- Delayed growth in infants
What is the chance of a Caucasian being a carrier of the cystic fibrosis gene?
What is the chance of a Caucasian being a carrier of the cystic fibrosis gene?
- 1 in 10
- 1 in 29 (correct)
- 1 in 50
- 1 in 100
How can cystic fibrosis affect an infant's growth?
How can cystic fibrosis affect an infant's growth?
What aspect of cystic fibrosis contributes to lung congestion?
What aspect of cystic fibrosis contributes to lung congestion?
Flashcards
Cystic Fibrosis Gene Mutations
Cystic Fibrosis Gene Mutations
The cystic fibrosis gene can mutate in many ways, leading to various symptoms.
Symptoms of Cystic Fibrosis
Symptoms of Cystic Fibrosis
Delayed growth, digestive problems, lung congestion, pneumonia, and fatigue are common.
Cystic Fibrosis Inheritance
Cystic Fibrosis Inheritance
Both parents must have the mutated gene for a child to inherit the disorder.
Carrier Frequency (Caucasians)
Carrier Frequency (Caucasians)
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Recessive Disorder
Recessive Disorder
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Study Notes
Cystic Fibrosis Gene Mutations
- Cystic fibrosis gene can mutate in a thousand ways.
- Mutations lead to various symptoms.
- Symptoms include: delayed growth in infants, severe digestive problems, lung congestion, pneumonia, and fatigue.
Inheritance Pattern
- Disorder is recessive.
- Both parents must contribute the mutated gene for offspring to inherit the disorder.
Prevalence in Caucasians
- Approximately 1 in 29 Caucasians carries the cystic fibrosis gene.
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