Indeed, chromosome doubling within a species may be a common cause of reproductive isolation, as half the doubled chromosomes will be unmatched when breeding with undoubled organisms.
Chromosome it anatfasan daɣ ich-ikil addobat ad eqqil iddilil oharan i arraw iskatan , chund tazune tannutfasat n chromosome tan war he anmawalan alwaq wa id akkofadan id organizm tan war n anatfas