F1 Non-Purple Stem, Yellow-Green Leaf

Phenotype: purple stems and dark green leaves
Genotype: anl/ANL, YGR/ygr

F1 Non-Purple Stem Yellow-Green Leaf is a Fast Plants stock that is heterozygous for two genes, produced from a controlled dihybrid cross between Non-Purple Stem, Dark-Green Leaf and Purple-Stem, Yellow-Green Leaf parents (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. Note: there may be occasional plants in this seed stock that have non-purple stems due to mutation or rare crossbreeding between sibling-plants. Should this occur, remove any non-purple seedlings when they are most noticeable at 5-7 days old.

Investigations

• Dihybrid Genetics – recommended for multiple-gene inheritance studies with the F2 Non-Purple Stem, Yellow-Green Leaf seed stock

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for Middle and High School Lessons
for Elementary Lessons