The answer for this question would be option B. The goal of vaccinations is to reduce the number of certain cases of a particular disease. Given that 79% of the children born in the Western Pacific region received a dose of hepatitis B vaccine, and only 11% in one African region, this would mean that the Western Pacific region will have fewer cases of hepatitis B than the African region.
Explanation:
If the answers are:
A.
The Western Pacific region will have more cases of hepatitis B than the African region.
B.
The Western Pacific region will have fewer cases of hepatitis B than the African region.
C.
The Western Pacific and African regions will have same number of cases of hepatitis B.
D.
Nearly 90% of people will be immune to hepatitis B in both regions.
Genetic drift is changes in allele frequencies of a gene pool due to chance or random events. This can occur in large or small populations. Genetic drift causes gene pools of two isolated populations to become dissimilar as some alleles are lost and other are fixed.
