1. About 4% of the population has “amusia” of one sort or another, and at least some types of amusia are known to be heritable.
约4%人口患有各种程度的“失歌症”,并且我们已经知道至少某些失歌症具有遗传性。

来自互联网

2. About 4% of the population has “amusia” of one sort or another, and at least some types of amusia are known to be heritable.
约4%人口患有各种程度的“失歌症”,并且我们已经知道至少某些失歌症具有遗传性。

来自互联网