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.
References in periodicals archive ?
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).
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.