EntityQ746284· pop 33· linked from 542 articlesgene duplicationSign in to saveduplication of a gene sequence within a genomeConnectionstransposable elementEntitychromosomeEntitypolyploidyEntityErb-b2 receptor tyrosine kinase 2Entityendogenous retrovirusEntitymicroarrayEntitypurifying selectionEntityCCND1EntityAnimaliaEntityplantEntitylifeEntityfungiEntitycancerEntitycellEntityvirusEntityevolutionEntitybacteriaEntitydeoxyribonucleic acidEntitywheatEntityproteinEntityCategoriesEvolutionary biology conceptsGenetics conceptsModification of genetic informationMolecular evolutionMutation