Answer:
Sickle cell anemia is one of a group of disorders known as sickle cell disease.
Explanation:
Genetic drift happens by chance and can make an allele disappear completely from a gene pool, even if it was a desirable trait that should have been passed down to offspring. The random sampling style of genetic drift shrinks the gene pool and therefore alters the frequency the alleles are found in the population.
Answer:
I do not see the electron configuration flow diagram, but the full electron configuration for nitrogen is 1s^22s^22p^3