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....
The boycott and near isolation of South Africa because of its former apartheid policy separating the races is a famous example of economic sanctions. US companies divested themselves of South African assets in the 1980s.