A DNA segment has base order CCC ATA GCT. Which copy exhibits a deletion in the first codon triplet and then a substitution mutation?(1 point)
CCA TAA CT
CCA ATA GCT
CCC TAG CT
CA TAG CT
3 answers
CCATAACT
Which type of mutation causes cystic fibrosis?(1 point)
Cystic fibrosis is primarily caused by a mutation known as a deletion mutation in the cystic fibrosis transmembrane conductance regulator (CFTR) gene.