姉妹 しまい染色 せんしょく分体 ぶんたい交換 こうかんだったら
shimai senshokubuntaikōkandattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 姉妹染色分体交換

1. If/when sister chromatid exchange…; If sister chromatid exchange were to occur…

Tara Conditional