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 competition for Students. 1  1 : the act or process of trying to get or win something others are also trying to get or win. 2  2 : a contest in which all who take part strive for the same thing. 3  3 : all of a person's competitors He beat the competition.