Both are 50%, this is because Rr is dominant in a purple stem and rr is recessive in a green stem. By crossing these plants Rxr= Rr and rxr= rr.
It provides energy for the cell to build, repair, and reproduce. Cells needing more energy have more mitochondria.
Sexual reproduction cells. Or just sex cells
involves the loss of all part of a chromosome or one base
answer: Deletion
