Cytogenetics , which focus on the research of chromosome , is the product of the reciprocal chiasmata and combination of genetics and cytology , it aims to demonstrate basic science of organic heredity and variation cytology .
对染色体进行研究的细胞遗传学是遗传学与细胞学相互交叉与结合的产物，是旨在阐明生物有机体遗传与变异细胞学基础的科学。
reciprocal chiasmata