â¢ TORNADO (noun). The noun TORNADO has 2 senses: 1. a localized and violently destructive windstorm occurring over land characterized by a funnel-shaped cloud extending toward the ground. 2. a purified and potent form of cocaine that is smoked rather than snorted. Familiarity information: TORNADO used as a noun is rare.
In other words, nothing is different about the way these alleles are inherited; the only difference is in the way the alleles determine phenotype when they are combined. As opposed to partial dominance, codominance occurs when the phenotypes of both parents are simultaneously expressed in the same offspring organism.
In genetics, codominance occurs when neither gene is dominant over the other. In this case, the traits will both show in the observable characteristics (phenotype).Some examp â¦ les of codominance are: Blood type-Type AB is codominant because both the antigen A and antigen B show up in the genotype.Cats-If a black cat and tan cat mate, the kitten will have both black fur and tan fur.n genetics, codominance occurs when neither gene is dominant over the other. In this case, the traits will both show in the observable characteristics (phenotype).