Genetics Quiz#11 DNA mutations

1. A 25-year-old male patient is diagnosed with cystic fibrosis due to a three-nucleotide deletion in the CFTR gene, leading to the loss of a phenylalanine residue. This type of mutation is best described as :

Question 1 of 5

2. During a routine examination of a patient's genetic test, a mutation is identified in which a single nucleotide change results in the replacement of an arginine with a lysine in the protein product. This type of mutation is best classified as:

Question 2 of 5

3. Which type of mutation is most likely to have no effect on the protein function? 

Question 3 of 5

4. A genetic analysis of a patient with a hereditary blood disorder reveals a mutation at the boundary of an intron and an exon within a gene critical for red blood cell function. This mutation most likely affects:

Question 4 of 5

5. A novel genetic disorder is characterized by a mutation that introduces a premature stop codon into the mRNA. This type of mutation will most likely result in:

Question 5 of 5


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