Cystic fibrosis is a recessive gene disorder. The pedigree chart for a family known to have cystic fibrosis is shown below.


What percentage of the offspring neither have the disease nor are carriers for the disease?

0%
25%
50%
75%

Cystic fibrosis is a recessive gene disorder The pedigree chart for a family known to have cystic fibrosis is shown below What percentage of the offspring neith class=