Explanation:
purines-Double carbon-nitrogen ring with four nitrogen atoms
pyrimidines-Single carbon-nitrogen ring with two nitrogen atoms
protons, neutrons, and electrons
You would get 1 EE, 2 Ee, and 1 ee. Making it 3 different genotypes and 2 different phenotypes
It occurs during the development of a multicellular organism
I think one characteristic would be a hypothesis. Also data analysis.