Cystic fibrosis affects the lungs, the pancreas, the digestive system, and other organs, resulting in symptoms ranging from breathing difficulties to recurrent infections. which of the following terms best describes this expression of phenotypes
a, incomplete dominance
b. codominance
c multiple alleles
d epistasis e pleiotropy

e: pleiotropy

Explanation:

Pleiotropy is a genetic term that describes a situation in which a single gene controls the expression of multiple traits.

Depending on the underlining mechanism, there are different types of pleiotropy:

In this case, cystic fibrosis gene has multiple phenotypic effects which include its effects on the lungs, pancreas, digestive system and other organs.

The correct option is e.

sex cells are usually half's then they find another half and make a fertilize egg