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yes, it is caused by a mutation in the gene cystic fibrosis transmembrane conductance regulator (CFTR). The most common mutation, which results in a loss of the amino acid phenylalanine
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Is Cystic Fibrosis a Germline mutation or an enviromental Mutation?
yes
What disease is called by a genetic mutation?
cystic fibrosis
Where cystic fibrosis happens?
In the DNA: a mutation on chromosome 7
What chromosome does cystic fibrosis effect?
The gene on chromosome 7 produces a protein called cystic fibrosis trans-membrane regulator. Mutation in the DNA level of chromosome 7 leads to the absence of this protein which leads to cystic fibrosis. Cystic fibrosis is a recessive disease.
Is cystics fibrosis is caused by a mutation that is the dominant alle of a gene?
No, cystic fibrosis is an autosomal recessive disorder.
Is cystic fibrosis a genetic disorder?
Polygenic means influenced by multiple genes. Cystic fibrosis is a single gene disorder, in which a mutation occurs in one gene that specifies cystic fibrosis, in this case CFTR gene. There are thousands of possible mutations in this gene but the most common mutation is the deletion of one codon.
Will the offspring have cystic fibrosis if the mother is FF and father is Ff?
No. Cystic fibrosis is an autosomal recessive disease. Each parent would have to be a carrier of a CF mutation and would be Cc.
Is cystic fibrosis chromosomal abnormality?
Yes, it is caused by a mutation in the gene for the protein CFTR.
True False Cystic fibrosis is caused by a mutation that is the dominant allele of a gene?
False.
What would be the genotype of a person with cystic fibrosis?
The genotype of a person with CF is cc. The genotype of a carrier of a CF mutation is Cc.
Is cystic fibrosis caused by a gene mutation or chromosomal mutation?
It is caused by a gene mutation in the single gene on chromosome 7 that produces a protein known as CFTR.
How many copies of an allele need to be present for someone to have cystic fibrosis?
Both cystic fibrosis and sickle cell anemia are single mutation diseases - one mutation in a single gene is enough to cause the disease. However, for cystic fibrosis both alleles of the gene must be mutated for the disease to develop. For sickle cell anemia, only one allele can carry the mutation and some signs of the disorder will be present. Having two alleles with the mutation causes much more significant disease.
