pure breeding line

(redirected from true breeding line)

pure breeding line

or

true breeding line

a strain of individuals that are all homozygous for the genes being considered, so that their progeny show no variation in those genes. see BREEDING TRUE.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
However, the star performer to emerge from SMS and its ongoing collaboration with the French research institute CIRAD is the Marseillesa variety, a true breeding line selected from a Sarchimor, itself a cross between the Villa Sarchi varietal and Catimor.
For example, Ecom's Sustainable Management Services (SMS), which operates a lab in Sebaco, Nicaragua, has developed a new variety, the Marseillesa, not a clone but a true breeding line (see New & Notable, page 18).