[Solved] Which of the following holds true in a market when the invisible hand functions properly? A)MC = MU = P B)P = MRS C)P = MC but not P = MU D)P = MU but not P = MC Gametes: Reproductive cells (sperm in males and eggs in females) that carry half the genetic information of an individual, forming a new organism when they unite. Physical Characteristics: Observable attributes or features of an organism, including size, shape, texture, and color, that result from genes and environmental influences. Phenotype: The set of observable characteristics or traits of an organism resulting from the interaction of its genotype with the environment. Microscopic Characteristics: Features or properties of organisms or substances that are too small to be seen with the naked eye and require a microscope to be observed.