10 Questions
What was the purpose of the experiment described in the text?
To develop drought-resistant rice cultivars
Which method of cell selection did the researchers use in the experiment?
Water stress selection
What was the initial treatment applied to the 100 paddy seeds (F0) in the experiment?
Gamma irradiation at 200Gy
What happened to the seeds that were grown under normal water conditions?
No seeds survived
What was the purpose of growing the adult plants (F1) under water stress conditions?
To identify drought-resistant plants
What was the purpose of continuing to grow the plants under water stress conditions until the F3 and F4 generations?
To test the stability of the drought resistance trait
What was the source of genetic variability used in the experiment?
Pre-existing cellular differences
What was the initial population size of the experiment?
100
What happened to the plants that were grown under water stress conditions?
Some plants survived, some died
What was the ultimate goal of the experiment?
To develop new rice cultivars with improved drought resistance
Learn about somaclonal variation, a phenomenon in plant regeneration systems involving a callus phase. Explore how variations in phenotypic differences, chromosomal rearrangements, and molecular changes impact plant breeding.
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