A set of efficient research method is found, and the relative length, arm ratio and G - band idiogram of Italian honeybee chromosome is obtained too.

并对意大利倍体雄的体组进了排列，获得了意大利体的臂比、相对长度和G-带模式图。

Karyogram (idiogram) The formalized layout of the KARYOTYPE of a species, often with the chromosomes arranged in a certain numerical sequence.

一个种体组的固定排列。