I would say no because the gray flies might have the genotype gg, but any other genotype could be GG or Gg or vice versa. If gray is dominant you don't know if their genotype is GG or Gg.
Ammonia is a highly toxic compound that is detrimental to one’s body. This toxic compound is often, and must be transformed into urea (uric acid) before being excreted from the body.
The ground finches adapted to have larger beaks to eat the bigger seeds in the drier seasons. This means over the years only the bigger beaked finches could survive to reproduce.
