Aperson with a phenotype of hbss has sickle cell disease. a person with a phenotype of hbas allele carries the sickle cell trait. a person with a phenotype of hbaa does not have sickle cell disease and does not carry the trait. the punnett square shows the phenotype of two people carrying the sickle cell trait. hb a s a aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%

A person with a phenotype of HbSS has sickle cell disease. A person with a phenotype of HbAS allele carries the sickle cell trait. A person with a phenotype of HbAA does not have sickle cell disease and does not carry the trait. The Punnett square in the image shows the resulting progeny after a cross between the two individuals of the genotype, HbAS, who are carrying the sickle cell gene. The probability of offspring getting sickle cell disease turns out to be, 25%.

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