EVERYDAY SCIENCE

Detailed explanation-1: -F1 generation is the first filial generation, whereas F2 generation is the second filial generation obtained by crossing the F1 generation.

Detailed explanation-2: -The offspring from the F1 generation comprise the second filial generation (or F2 generation). By definition, the F2 generation is the result of a cross between two F1 individuals (from F1 generation).

Detailed explanation-3: -The offspring of the P parent generation are called the F1 (for filial, or “offspring”) generation. The offspring of F1 are called the F2 and F2 offspring are called F3 and then F4, F5, and so on.

Detailed explanation-4: -The F2 progeny of Mendel’s dihybrid cross exhibit four different phenotypes: round yellow, round green, wrinkled yellow and wrinkled green. There are 9 different genotypes: RRYY, RRYy, RrYY, RrYy-4 genotypes of the round yellow phenotype. RRyy, Rryy-2 genotypes of the round green phenotype.

Detailed explanation-5: -In basic terminology, the F1 generation is the first generation of offspring produced by a set of parents. The ‘F’ in F1 stands for ‘filial. ‘ So in short, F1 means ‘first filial generation’.