Which of the following may be a factor in determining a population's blood type distribution?
a. bacterial disease
b. temperatures
c. cephalic index
d. skin color
Question 2
A child may be born with hemolytic anemia if __________.
a. there is maternal-fetal incompatibility of the rhesus system
b. both the mother and child have type A blood
c. there is maternal-fetal incompatibility of the ABO system
d. both the mother and child have Rh-negative blood