A Enzymes read the DNA code and build a new DNA molecule from scratch
Answer:During pregnancy, red blood cells from the unborn baby can cross into the mother's blood through the placenta. If the mother is Rh-negative, her immune system treats Rh-positive fetal cells as if they were a foreign substance. The mother's body makes antibodies against the fetal blood cells
Explanation:
No idea but hopefully this cheers you up!
Ell theory refers to the idea that cells are the basic unit of structure in every living thing.
