C) it regulates what goes in and out of the cell
Usually the membrane is the organelles that acts like a door. They decide what type of nutrients and molecules go into the cell.
The punnett square is attached to this.
The other possibilities are AB, BO, and AO.
All of them have 25%.
Answer: <em>Punctuated equilibrium is the hypothesis that evolution occurs at an irregular rate through geologic time. </em>
<em>Hope this helps. </em>
Hope this helps
<em>much love !!</em>