. Contributions from the Laboratory of Plant Genetics. 10 Research Bulletin Xo. 2 hybrid, and therefore should give different results in P3 as follows: F2 gives in P3 Class 1. 1 RJtJRJR^R^ red only. Class 2. 2 RxrxR2R2R R. red only. ('lass 3. 2 RlR1RMrtRtRl red only. Class 4. 2 red only. Class 5. 4 R1r1h\r.,R,Rs red only. Glass 6. 4 R^. red only. Class 7. 4 R^RjRJ? > red onlv. Class 8. 8 R^^Rj' 63 red ': 1 while. Class 9. 1 R^Jt^rJs red only. Class 10. 2 R^RMj^rJ red only. Class 11. 2 R^RJt^r^ red only. Class 12. 4 RxrxR2r2rzrz 15 red : 1 white (/lass 13. 1 i^r.'
. Contributions from the Laboratory of Plant Genetics. 10 Research Bulletin Xo. 2 hybrid, and therefore should give different results in P3 as follows: F2 gives in P3 Class 1. 1 RJtJRJR^R^ red only. Class 2. 2 RxrxR2R2R R. red only. ('lass 3. 2 RlR1RMrtRtRl red only. Class 4. 2 red only. Class 5. 4 R1r1h\r.,R,Rs red only. Glass 6. 4 R^. red only. Class 7. 4 R^RjRJ? > red onlv. Class 8. 8 R^^Rj' 63 red ': 1 while. Class 9. 1 R^Jt^rJs red only. Class 10. 2 R^RMj^rJ red only. Class 11. 2 R^RJt^r^ red only. Class 12. 4 RxrxR2r2rzrz 15 red : 1 white (/lass 13. 1 i^r.' red only. Class 14. 2 )\r^R0rnR.,R., red only. Class 15. 2 rjrJtJBtJE^r^ red only. Class 16. 4 rxrxR2r2R^ 15 red^: 1 while Class 17. 1 R^^: red only. Class 18. 2 R^, red only. Class 19. 2 ^^ red only. Class 20. 4 R^r^ 15 red1: 1 white Class 21. 1 R^^ red only. Class 22. 2 jKi^2r2r3r3 3 red : 1 white. Class 23. 1 rxrrR2R2rzi\, red only. Class 24. 2 rxrxR2r2rzr:, 3 red : 1 white. Class 25. 1 r1r1r2r2R3R3 red only. Class 26. 2 i\i\r2i\,'? 3 red : 1 white. Collecting the statistics. Ave find that the 63 red plants of the trihybrid minimum of 64 in F2 should give in when selfed. 37 breeding true to red. 6 throwing reds and whites in the ratio of 3:1, 12 throwing reds and whites in the ratio of 15:1, and 8 throwing reds and whites in the ratio of 63:1. From these data one can calculate the most probable result in the experiment where 78 plants were followed to the F3 generation. It is as follows: Type Most probable expectancy Plants breeding true to red .. Plants giving 3 red : 1 white Plants giving 15 red : 1 white Plants giving 63 red : 1 white. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bussey Institution. Boston : [s. n. ]
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