[back.cross] vt (1904): to cross (a first-generation hybrid) with one of the parental types
[2]backcross n (1918): a mating that involves backcrossing; also: an individual produced by backcrossing
[back.cross] vt (1904): to cross (a first-generation hybrid) with one of the parental types
[2]backcross n (1918): a mating that involves backcrossing; also: an individual produced by backcrossing
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012