A woman who is a carrier for Fabry disease has children with a man who does not have the disorder. Their son has the disease and their daughter also has some symptoms of Fabry disease even though she could only have inherited one affected allele. What is the explanation for the daughter having some symptoms of Fabry disease?

The contractile vacuole is an structure that helps in regulation of osmotic pressure within the single celled species such as amoeba, paramecium and some algae. The solute concentration in the cytoplasm of these species contains large amount of solute as compared to their surroundings. In order to maintain the solute concentration, excessive water is stored in CV and then expelled out though an opening in the cell