If reproduction didn't exist, all species would eventually go extinct.
All I know is that you can get a short-term diabetes when you're pregnant, because my mom had diabetes when she had me and my sister. It comes from the cravings, which for her were salty and very sweet, and sounded very disgusting in my opinion.
You should not, EVER, cut the renal artery. Doing so not only means that blood is no longer going to that kidney, but just as well, blood can't be filtered.
All of them would be pink if it was incomplete dominance. If you cross homozygous dominant (GG) by homoygous recessive (gg), the you would get all four to be Gg. Since incomplete dominance mixes them rather making G dominant, all would be pink.
