<span>The mechanism that affected the gene pool of the immigrants that entered the United States through Ellis Island from 1892 to 1954 is B. gene flow. Gene flow is the transfer of genes or alleles from one population to another. The migration of millions of individuals from countries across the Atlantic Ocean to the United States is responsible for the changes in the gene pool of the immigrants.</span>
Pro-won’t spread
Con-there could still be some left of it. Not all viruses can be destroyed completely. Does that make sense?
Answer:
its answer is B hope ur help and mark me as brainlist
Your answer is correct (meiosis)