Sickle cell trait is not as severe as sickle cell anemia, so why is the sickle cell trait important to diagnose?
a. One in four children born to trait parents have the disease.
b. Sickle cell trait can mask other diseases.
c. Doing so eliminates the need for pharmacologic agent treatment.
d. Cells still sickle under the same conditions as with the disease.
Question 2
In hemoglobin C disease, the cell's life span is decreased to what length?
a. 90-120 days
b. 7-10 days
c. 75-90 days
d. 30-55 days
cell
sperm cell
Cell cycle
Activation and Clonal Selection of a Helper T Cell
Relative expression times and amounts of cyclins during the cell cycle
Disruptive selection eliminates midrange forms of a trait