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Brassica rapa. F₁ Non-Purple Stem, Yellow-Green Leaf is a Fast Plants® stock that is heterozygous for 2 genes, produced from a controlled dihybrid cross between Non-Purple Stem, Dark-Green Leaf (items #158812 and #158813) and Purple Stem, Yellow-Green Leaf parents (items #158810 and #158811) (anl/anl, YGR/YGR x ANL/ANL, ygr/ygr). In this F₁ (first) generation population, only the dominant phenotypes are expressed, so all have purple stems and dark-green leaves.

Brassica rapa. A genetic time-saver! Don't have time to carry a cross from the parental generation? We've got you covered with both F₁ and F₂ generations of Wisconsin Fast Plants® seed. F₁ Non-Purple Stem, Yellow-Green Leaf is a Fast Plants® stock that is heterozygous for 2 genes, produced from a controlled dihybrid cross between Non-Purple Stem, Dark-Green Leaf (items #158812 and #158813) and Purple Stem, Yellow-Green Leaf parents (items #158810 and #158811) (anl/anl, YGR/YGR x ANL/ANL, ygr/ygr).

In this F₁ (first) generation population, only the dominant phenotypes are expressed, so all have purple stems and dark-green leaves. The F₁ generation seed (items #158880 and #158881) will express dominant traits (purple stems, dark-green leaves, standard height) and can be used to produce F₂ seed that will show the typical monohybrid (3:1) or dihybrid (9:3:3:1) phenotypic ratios. F₂ seed (item #158886) will express the appropriate phenotypic ratios. The result: more genetic concepts learned in less time.

F₁ Non-Purple Stem, Yellow-Green Leaf phenotype: purple stems and dark green leaves; genotype: anl/ANL, YGR/ygr.