Primary research is a type of research in which the researcher personally go and collect the data. They can personally conduct surveys, observations, interviews, and ethnographic research. Primary research is also called first-hand research. The data collected by the primary researcher are new and fresh data.
The type of mutation that causes this translation error is called deletion. Deletion occurs when a section of a DNA is deleted or lost. In cystic fibrosis, three nucleotides are deleted that results in the lost of phenylalanine.
