名词
中文翻译：Unknown
同义词：
['polytene', 'polytene stage']
例句：
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1.The pachytene chromosomes are visible under a microscope.
在显微镜下可以看到多核染色体。
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2. During the pachytene stage, cells undergo significant changes in their genetic material.
在多核期，细胞在其遗传物质上发生重大变化。
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3.Researchers have found that the pachytene stage is crucial for the development of certain types of cancer.
研究人员发现多核期对于某些类型癌症的发展至关重要。