I thinks its a layer of soil with characteristic properties, sorry if its wrong I'm a beginner
If referring to photosynthesis, carbon dioxide is brought into the cholorplast of the plant cell, it is then fixed to RUBP, it will go through a series of Redox reactions and become G3P. RUBP is then recycled and is used to fix more carbon dioxide. You need two G3P molecules to become glucose.
This is happen during anaphase when two chromatids separate and move towards opposite poles,
Well since the capital letter is dominate and always takes power and the lower case letter is recessive doesn't take power. It would be 50%.
The answer would be Yy and yy :D
This is the Definition of coevolution