The determination of a particular characteristic, e.g. height or skin colour, by many genes (quantitative trait loci), each having a small effect individually. Characteristics controlled in this way show continuous variation.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。