JAMB Biology 2010 Paper

Concept:Meiosis is a reduction division that halves the chromosome number of a cell.Explanation:The original cell that enters meiosis is diploid, meaning it has two sets of chromosomes, represented as $2n$.During meiosis, the chromosome number is reduced by half to produce gametes or sex cells.The resulting daughter cells are haploid, meaning they have one set of chromosomes, represented as $n$.Thus, the chromosome number before meiosis is $2n$, and after meiosis it becomes $n$.Answer:$2n \rightarrow n$Correct option: D