母亲的三倍体X染色体构成解释了在两个紧密连锁的X染色体基因座（葡萄糖-6-磷酸脱氢酶和绿色盲）分离的同胞关系中明显出现的两个重组体。
Triplo-X constitution of mother explains apparent occurrence of two recombinants in sibship segregating at two closely X-linked loci (G6PD and deutan).
作者信息
Rinaldi A, Velivasakis M, Latte B, Filippi G, Siniscalco M
出版信息
Am J Hum Genet. 1978 Jul;30(4):339-45.
Abstract
Two male sibs believed to be examples of meiotic recombinants between the closely linked loci for G6PD deficiency of Mediterranean type and severe deutan color blindness proved to be simple segregants of a triplo-X mother of genotype d--GdMediterranean/d+GdMediterranean/d+GdB. This finding suggests that in Sardinia the linkage between the two loci under consideration may be tighter than previously assumed.
摘要
两个男性同胞被认为是地中海型葡萄糖-6-磷酸脱氢酶（G6PD）缺乏症和严重的红色盲紧密连锁基因座之间减数分裂重组的例子，结果证明他们是一位基因型为d--Gd地中海型/d+Gd地中海型/d+GdB的三倍体X染色体母亲的简单分离体。这一发现表明，在撒丁岛，所考虑的两个基因座之间的连锁可能比以前设想的更紧密。
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