Compaction of the duplicated chromosomes during cell division (mitosis or meiosis) results either in a four-arm structure (pictured to the right) if the centromere is located in the middle of the chromosome or a two-arm structure if the centromere is located near one of the ends.
boycott definition: The definition of a boycott is a decision to not use or buy products or services in order to show support for a cause. (noun) An example of a boycott is not buying paper products made with rainforest wood to protest deforestation....
Definition of EXCLUSION. 1. : the act or an instance of excluding.2. : the state of being excluded.â exÂ·cluÂ·sionÂ·ary \-zhÉ-Ëner-Ä\ adjective. ADVERTISEMENT.efinition of EXCLUSION. 1. : the act or an instance of excluding. 2. : the state of being excluded. â exÂ·cluÂ·sionÂ·ary \-zhÉ-Ëner-Ä\ adjective.