Genetic variation is when there are many offspring with different genetics, therefore some offspring might be able to adapt due to its genetics
I don't know the given choices but I found an answer to the above question.
The answer is:
<span>No longer dividing cells of the mammalian brain. Post-mitotic cells will exit the cell cycle and will not contain cells in S phase.
</span>S-phase<span> -</span> part of the cell cycle in which DNA is replicated. Synthesis phase occur between G1 phase<span> and G</span>2 phase<span>.</span>
