The dog evolved into a tumor in the same sense in which Henrietta Lacks evolved into a cell line. If the cell lines descended from the original Lacks culture managed to spread into the wild, you would have essentially the same story. You might then say that Lacks evolved into a species of single-celled organisms.
The dog evolved into a tumor in the same sense in which Henrietta Lacks evolved into a cell line. If the cell lines descended from the original Lacks culture managed to spread into the wild, you would have essentially the same story. You might then say that Lacks evolved into a species of single-celled organisms.
The genes that built her found a better vector to spread themselves.