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....
plural sanctions. Learner's definition of SANCTION. formal. 1. [count] : an action that is taken or an order that is given to force a country to obey international laws by limiting or stopping trade with that country, by not allowing economic aid for that country, etc. â usually plural.