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遗传是影响儿童少年生长发育的内在因素。为了初步探索母亲通过遗传所赋予女儿的生长潜力大小，了解和掌握人群中身高和月经初潮的变化趋势，我们对本市三所中学应届毕业生及她们的母亲进行了身高和月经初潮的调查。且调查对象以本县三所中学应届毕业生及她们的母亲为调查对象
Heredity is an inherent factor that affects the growth and development of children and adolescents. In order to explore the growth potential of the mother through inheritance, and understand and master the changing trend of height and menarche in the population, we investigated the height and the menarche of three high school graduates and their mothers. And the survey respondents to the county three middle school graduates and their mothers as the survey