Description: S13.13 Brassica rapa seeds, F2 non-purple stem, yellow-green leaf. These plants exhibit segregation ratios of 3:1 for the single mutant crosses (purple stem to non-purple stem and green leaf to yellow green leaf) and 9:3:3:1 for the double mutant cross. The stock illustrates the principal of segregation, independant assortment and recombination.
- Score phenotypes at 3 to 5 days.
- For best expression, high light intensity is recommended (24 hr, 5 to 10 cm from light source)
- Purple pigment is variably expressed in plant. Class as purple if even the slightest tinge is visible.