doubly heterozygous

dou·bly het·er·o·zy·gous

in the analysis of linkage between two loci, denoting that genotype in which a parent is heterozygous at both loci, the state that on average contains the maximum information about the linkage.

dou·bly het·er·o·zy·gous

(dŭb'lē het'ĕr-ō-zī'gŭs)
Denoting that genotype in which a parent is heterozygous at both loci, the state that on average contains the maximum information about the linkage.
References in periodicals archive ?
We describe the case of doubly heterozygous Hb-SD Punjab in a 8 year old girl who presented with ischaemic stroke.
Moreover patients with essential hypertension, homozygous C677TT, or doubly heterozygous C677CT/1298AC genotypes are predisposed to develop hypertensive nephrosclerosis and chronic renal failure [6].
Homozygous sickle cell anaemia (Hb SS) is the most common while sickle cell trait, doubly heterozygous conditions of Hb SC and Hb Sssthal also cause sickling disease2.