By 2010 , collins told a major international biotechnology forum in france this week , there could be predictive tests for at least 12 hereditary conditions , and scientists would understand the role that genes played in most common diseases 科林斯在本周于法国召开的一个重要的国际生物技术论坛上说,到2010年将有针对至少12种遗传病症的预测性检验,科学家也将了解到在大多数常见病中基因所起的作用。