Quiz 45 :
Principles of Heredity
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Q20 Q20 Q20
The inheritance of sickle cell anemia involves incomplete dominance. (S determines normal hemoglobin, it is dominant; s is the sickle cell gene). A homozygous recessive person has sickle cell anemia. A heterozygous person has the sickle cell trait. If parental genotypes are SS and ss, what is the probability of offspring having the sickle cell trait?
Q22 Q22 Q22
You have performed electrophoresis on a sample of normal hemoglobin (HbA), sickle- cell hemoglobin (HbS), a mixture containing HbA + HbS, and a sample of hemoglobin from a patient. The patient sample shows 2 bands, one at the same distance as the HbA band and one at the same distance as the HbS band. What is true about your patient?