Population types for QTL mapping (2)

Recombinant inbred lines (RILs) and Double Haploids (DHs):

Advantages: fixed lines so can be replicated across many locations and/or years; can eliminate problem of background heterozygosity

Disadvantages: Can take a long time to produce or, in the case of DHs, be impossible to produce (not all species are amenable).

Example: He P, Li JZ, Zheng XW, Shen LS, Lu CF, Chen Y, Zhu LH (2001) Comparison of molecular linkage maps and agronomic trait loci between DH and RIL populations derived from the same rice cross. Crop Science 41: 1240-1246.