Question

1Sickle-cell disease is caused by a mutation that produces an abnormal protein. The gene for sickle-cell disease causes a person'sred blood cells to be shaped like a sickle instead of being round and flat. Sickle-shaped red blood cells do not carry oxygen verywell, which causes health problems and lowers survival rate. However, in areas where malaria is common, people that have thesickle-cell gene are protected from malaria. The malaria parasite relies on normal red blood cells to grow, and cannot easilycomplete its life cycle in sickle-shaped cells.What does the given information demonstrate?A. A mutation's negative effects always outweigh its benefits.B. All mutations in humans result in a neutral effect.C. A mutation can be both harmful and beneficial.D. All mutations always have both good and bad effects.ResetSubmitO of 15 AnsweredSession Score: 0%

Answer 1

When mutations come up, can be either positive neutral, or negative, the sounding conditions will determine if these are beneficial or not for the organism, so we can say that the correct answer is option C.