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.
Parent strand-In DNA replication, refers to the pre-existing single strand of DNA that is copied into a new strand of DNA via complementary base pairing. Replication fork-Term used to describe the junction at which nucleotide substrates are being added to a growing DNA chain during DNA replication.rimase-The enzyme responsible for initiating synthesis of RNA primers on the lagging strand during DNA replication. Holoenzyme-A term used to describe a collection of different enzymes that work together in a given process such as DNA replication.