In addition to the reduced germ size, os gene also caused dramatic decrease of oil content in the germ as well asin the whole kernel, so it can be regarded as a major gene controlling corn oil content.

• os基因除缩小种胚体积之外,也显著地降低胚中的含油量以及整个子粒的含油量,所以可视为控制玉米子粒含油量的一个主效基因。