Which allele is expressed in a heterozygous individual? Include a full discussion, including why that allele is expressed. You should use words like dominant, recessive, genotype, and phenotype.

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.