摘要： QTL定位常报道主基因数多于3的情形.然而,利用基因型杂合的分离群体拓展3对主基因+多基因混合遗传模型非常困难,而DH或RIL群体是遗传分析的很好群体且拓展3对主基因+多基因模型相对容易些.在文献1～4的基础上,拓展利用亲本和DH或RIL群体的2对连锁主基因、2对连锁主基因+多基因、3对主基因和3对主基因+多基因4类遗传模型.通过大豆科丰1号×1138?2构成的RIL群体及其亲本研究了大豆开花期的遗传规律。
Abstract:More than three major genes controlling quantitative trait are often obtained in QTL mapping.However,it is very difficult to develop joint segregation analysis with three major genes but for DH or RIL population.There fore,an expansion of the inheritance model,such as linkage between two major genes,three major genes,three major genes plus polygenes,was developed in this paper.Finally,an example of the inheritance of flowering date of soybean for using P1,P2 and RIL populations derived from a cross between Keifeng 1 and Nannong 1138-2 was used to explain the procedures.