filial generation


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fil·i·al gen·er·a·tion (F),

the offspring of a genetically specified mating: first filial generation (symbol F1), the offspring of parents of contrasting genotypes; second filial generation (F2), the offspring of two F1 individuals; third filial generation (F3), fourth filial generation (F4), etc., the offspring in succeeding generations of continued inbreeding of F1 descendents.

fil·i·al gen·er·a·tion

(F) (fil'ē-ăl jen'ĕr-ā'shŭn)
The offspring of a genetically specified mating: first filial generation (symbol F1), the offspring of parents of contrasting genotypes; second filial generation (F2), the offspring of two F1 individuals; third filial generation (F3), fourth filial generation (F4), and so on; the offspring in succeeding generations of continued inbreeding of F1 descendents.
References in periodicals archive ?
These filial generations were developed by crossing five different natural tolerant cotton varieties and crosses with genetically engineered resistant cotton (anti-sense tRep Coker-312).
The seed of F1 generation raised at Kaghan were sown at Faisalabad as F2 generation and filial generations were advanced up to F6 generations keeping in view the objectives of crosses.
Incorporation of aphid resistance to elite wheat lines through shuttle breeding: The aphid resistance was incorporated into the high yielding wheat lines by making various crosses as mentioned in Table-2 followed by a series of successive filial generations until F6.