General Principles 2
Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!
aol1663 A 6-year-old girl with sickle cell disease is brought to the physician by her parents for a routine examination. The parents ask why this disease seems to be more common in the African-American population than in other U.S. populations. Which of the following genetic phenomena most likely leads to this observation?
*****
