Before revision: While the average height of the two corn stalks may be genetically determinedto be equal , the one in the arid climate only grows to half the height of the one in the temperate climate due to lack of water and nutrients in its environment.
After revision: While the average height of the two corn stalks could grow to is genetically determined , the one in the arid climate only grows to half the height the one in the temperate climate due to lack of water and nutrients in its environment.