P0, F1, and F2 Generations
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State
P0 names the first parental generation in a cross; F1 names their offspring; F2 names the offspring produced by self-crossing the F1 generation.
Show
Crossing black-coated and red-coated P0 cattle gave an all-black F1 generation; crossing F1 cattle together gave a mixed F2 generation.
Watch for
Dominance is read from the F1 phenotype, not the P0 — assuming F1's trait is new is the mistake.