back-cross

back-cross

a mating between a heterozygote and a homozygote.

double back-cross
the mating between a double heterozygote and a homozygote.
References in periodicals archive ?
Inheritance of the susceptibility trait was linked to the xid locus by using back-cross and F2 progeny derived from crosses of CBA/N and DBA/2N parental strains.
The Btk gene was closely linked to the xid locus in the distal region of the mouse X chromosome by using an interspecific back-cross mapping panel (93), and precise co-localization of Btk and xid was observed in 1,114 segregating back-cross progeny (94).