Single-gene disorder --- A disorder due to one or a pair of mutant alleles at a singlelocus.
由单个基因发生突变引起的遗传病。
2
Cross incompatibility in Zea mays is controlled gametophytically by a singlelocus. The gametophyte gene is located on chromosome 4 in maize.
玉米的杂交不亲和性是受单基因控制的，为配子体控制型，该基因位于玉米的第四染色体上。
3
These approaches ignore the possibility that effects of multilocus functional genetic units play a larger role than singlelocus effect in determining trait variability.