59: 30 a person with a genotype of hss has sickle cell disease a person with a genotype of hbas allele carries the sickle cell trait a person with a genotype of hbaa does not have sickle cell disease and does not carry the trait. the punnett square shows the genotype of two people carrying the sickle cell trait hbas 1 a aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100% save and exit next subrnit mark this and return