While technology has enabled us to identify our alleles, our genotypes are not always indicators of our phenotypes. Hence, decisions on disease treatment and abortion must consider the non-linearity between genotype and phenotype. This video briefly defines the non-linear genotype-phenotype relations of incomplete penetrance and variable expressivity. For more details and Q&A, look up the long video on the same topic • Genotype-Phenotype nonlinearity of pe... .