Which of the following is both a phagocyte and an antigen-presenting cell?
nk cell
eosinophil
neutrophil
macrophage

Amutation is basically the change in the gene, caused by alteration of single based units in the dna, or the genes or chromosomes were rearranged in the dna

It might. it might because if you think about if they discovered if we came from (lets say something funny like aliens) and thy found cells that matched and they would have t do more research about it but would most probably change their theory.