不良遗传因素
不良遗传因素-
结论在消除不良遗传因素的基础上，合理营养是预防身高发育落后的重要措施。
Conclusions When the effect of bad genetic factors eliminated , reasonable nutrition is a major measure that prevents children from delayed growth .
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如果个体内存在着损害大脑发育和新陈代谢的不良的遗传因素，那么必然会引起智力障碍。
If the body have damage genetic factor to brain development or metabolism , it must cause intelligence deficiency .