Obj. 9 Incomplete Dominance Definition: A condition in which a trait in an individual is intermediate between the phenotype of the two parents because the dominant allele is unable to express itself fully.
Example of Incomplete Dominance: Red snapdragon X white snapdragon All offspring are pink snapdragons
Codominance Definition: a condition in which both alleles for a gene are fully expressed. Ex. Blood Types
Polygenic Definition: a characterisitc of an organisms that is determined by many genes Ex. Eye color, height, weight
Multiple Alleles Genes with three or more alleles Example: Blood groups A = AO, AA B = BO, BB AB = AB O = OO