Cystic fibrosis affects several traits, therefore, it is an example of a pleiotropy .
Pleiotropy occurs when a gene mutation affects numerous traits, or when it results in many mutant phenotypes, affecting more than one attribute.
Pleiotropic genes are those that show multiple phenotypic expression. Due to the gene's product being employed by several cells or diverse targets with the same signaling function, a pleiotropic gene mutation may affect multiple features at once.
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