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.
Based on its. function at a replication fork, primase must minimally bind to 2 magnesium, 2 NTP's, non-. specific ssDNA, the initiating tr inucleotide d(CTG) ssDNA, a RNA -DNA heteroduplex once. primer synthesis has been initiated, DnaB helicase, and one or more of the ten su bunits of DNA.