An absent copy of one gene results in brain-cell changes that greatly improve a mouse’s ability to distinguish between tones of different frequency.

中文翻译：

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缺失的基因如何导致对声音的超敏感

一个基因的缺失会导致脑细胞发生变化，从而大大提高小鼠区分不同频率音调的能力。