| Subject | English | Russian |
| biol. | chromosome duplication | дупликация (a chromosome mutation) |
| biol. | chromosome duplication | хромосомная дупликация (a chromosome mutation) |
| gen. | duplication of chromosomes | удвоение хромосом |
| genet. | duplication on one's 15th chromosome | дупликация 15-ой хромосомы (Amy was born with a duplication on her 15th chromosome which affected her vision, motor skills, hearing and feeding. ART Vancouver) |