Sickle-cell anemia is a disease that affects the type of hemoglobin (hb) a person makes in his or her red blood cells. consider the case of martin and cindy, who are the parents of mary. martin has sickle-cell anemia with abnormal hemoglobin, and his genotype is hbs/hbs. cindy has normal hemoglobin, and her genotype is hba/hba. their child, mary, carries the sickle-cell trait and produces both normal hemoglobin and abnormal hemoglobin. mary\'s genotype is hbs/hba. what type of dominance pattern would result in mary\'s blood producing both normal and abnormal hemoglobin?