1-4) Match the term to the most appropriate example (A-D) A) When a genotype gives rise to a range of phenotypes B) When each allele causes a distinct phenotype, and heterozygotes exhibit both phenotypes of heterozygotes C) When heterozygotes display a phenotype intermediate between those shown by homozygotes for that allele D) When a genotype underlies a given phenotype, but not all individuals with that genotype display the phenotype 1) Codominance 2) Incomplete dominance 3) Incomplete penetrance 4) Variable expressivity .