OK so when I did this the different ones were cell wall and chloroplast
<span>First determining if the cells in the tumor have common and the unique genetic and biochemical marker and if they are present, that would clearly mean that they all were created from a initially mutated cell and formed the marker and these are considered as monoclonal. If that is not the case and cells do not have a common origin, these are called as polyclonal.</span>
b is the answer not sure why they keep deleting my answer but its correct
Ya it's True ! evolution can be there if there is genetic mutation or natural selection or gene flow !!
Answer:
lol no way I forgot this, It was so easy but now I forgot it