4 offspring will have spotted wool, because there would be 10 offspring between 20 sheep, it is not half, because one side is dominate.
There are five basic Hardy-Weinberg assumptions: no mutation, random mating, no gene flow, infinite population size, and no selection. If the assumptions are not met for a gene, the population may evolve for that gene (the gene's allele frequencies may change).
Answer:
Sources of freshwater: rivers, lakes, reservoirs, and creeks and streams.
