The answer is: Because scientists study genetics, they are able to prevent genetic disease.
Explanation: Genetic diseases cannot be prevented because they are already in our genes.
D. Patients are allowed to refuse recommended care.
Doctors, nurses, Physical therapist , Occupational and speech therapists all give recommendations. If the patient chooses not to go with their recommendations, that is solely up to the patient.
It retreat by the ego to an early period in the oral stage.
The possible blood types are A and B.
The phenotype of the mother is AB, so the genotype can only be AB.
The father's phenotype is O so his genotype should only be OO.
if we cross between AB and OO it gives us either AO or BO, so the possible phenotypes are either A (if the genotype is AO) or B (if the phenotype is BO).