Sickle cell disease is caused by a genetic mutation and, when untreated, results in disability and early death. However, the mutation that causes sickle cell disease is associated with protection against malaria, especially early in life. As a result, you would expect to see sickle cell disease ____.
a. eradicated as quickly as malaria is eradicated
b. occur predominantly in populations that have historically low rates of malaria and similar diseases
c. occur at similar rates in all populations, since malaria can be found anywhere mosquitoes, which transmit malaria, are found
d. occur at higher rates among populations whose genetic heritage can be traces to areas with a high incidence of malaria
Question 2
People's feelings tend to be hurt the most when they receive a clear sign from another person that the person ____.
a. does not care as much as they do about the relationship
b. is not investing as much as they are in the relationship
c. is disappointed in them
d. is angry with them
Response of a yeast cell to glucose
Davis, Weintraub, and Lasser and the promotion of muscle cell differentiation in fibroblasts by the
A prokaryotic cell.
Acromegaly caused by a tumor on his pituitary gland
Two ways of generating genetic variation in meiosis
Studying the genetic roots of mating and bonding behavior