直到最近，经典的遗传学和生物化学是用于研究生物体如何发育、繁殖、行为和衰老的主要技术。

Until recently, classical genetics and biochemistry were the main techniques used to investigate how organisms develop, reproduce, behave and age.

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荧光原位杂交是当前分子细胞遗传学最重要的技术之一，克服了实体瘤经典细胞遗传学研究的主要障碍。

Florescence in situ hybridization (FISH), one of the most important molecular cytogenetic techniques, overcomes the main inconvenience in classical cytogenetic methods in solid tumors.

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因此，家蚕分子连锁图谱和经典遗传图谱的整合成为目前家蚕遗传学的重要课题和研究热点。

Therefore, the work of integrating classical map with molecular linkage map becomes a hot focus on silkworm genetic research.

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