Not number 1 because The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. Not 2 One of these is called the law of conservation of mass , which states that during a chemical reaction, the total mass of the products must be equal to the total mass of the reactants. not 4 go back to number 1 and look why so its 3
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.