Gene pool.
Gene pool. Germplasm within which sexual recombination is possible as a result of hybridization, including via methods such as embryo culture or bridging crosses.
Source
7 CFR § 340.3
Scoping language
Terms used in the singular form in this part shall be construed as the plural, and vice versa, as the case may demand. The following terms, when used in this part, shall be construed, respectively, to mean: