A region of a chromosome (genetic locus) containing one or more genes that contribute to determining a quantitative trait. Typically, several or many such genes (polygenes), each having a small effect, act together to specify the trait.
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。