A sample of cells was sent to a lab. The lab technician measured a chemical that the cell produced that caused the other cells around it to divide uncontrollably. What disease do the cellular secretions most likely indicate? cancer
tuberculosis
sickle cell disease
diabetes mellitus

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.