Which label belongs in the region marked X?

answer: c. two haploid cells

explanation:

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

can i get the brainliest pls

explanation:

i think the answer would be d

cell division is not regulated in tumor cells.