The Robertsonian change plays a key role in karyotype evolution of Lycoris.
本文还指出罗伯逊变化在石蒜属核型演化中起了关键作用。
The origin of such large amounts of constitutive heterochromatin and their role in karyotype evolution and speciation remain a mystery.
如此大量的结构异染色质的来源及其在染色体组型进化和物种形成中的任务仍是一个谜。
OBJECTIVE To study the evolution, identification and fine seeds selection through Bidens parviflora chromosome number, karyotype and volume.
目的对小花鬼针草染色体核型等进行研究，为研究该种鉴定、起源、演化、良种培育等提供必要的细胞学资料。
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