Name and describe the 2 main mechanisms that cause an effect in which the genotype at a locus does n… Show more Name and describe the 2 main mechanisms that cause an effect in which the genotype at a locus does not determine the phenotype of that respective gene. Assume the trait is coded for by a gene on autosomal chromosomes and there is no environmental effect. Names of the two mechanisms. (2 pts) Explanation of how these mechanisms function. (8 pts) • Show less