Hsu T C, Pathak S
Chromosoma. 1976 Nov 19;58(3):269-73. doi: 10.1007/BF00292093.
In two rodent species, the Chinese hamster and the montane vole (Microtus montanus), the rate of sister chromatid exchange was lower in constitutive heterochromatin than in euchromatin.
在两种啮齿动物——中国仓鼠和山地田鼠(Microtus montanus)中,组成型异染色质中的姐妹染色单体交换率低于常染色质中的。