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Two Groups of Polyploidy Mutants
| Ploidy (D, Hyp.) | Ploidy (WL, Cot.) | Hypocotyl Length (D) | Root Length (D) | Other Features | |
|---|---|---|---|---|---|
| Group 1 | + | + | − | + | Large cotyledons and thick hypocotyls |
| Group 2 | + | − | + | + |
(D, hyp.), hypocotyls of dark-grown seedlings; (WL, cot.), cotyledons of white light–grown seedlings; (D), dark-grown seedlings; +, increased; −, no difference from Col-0.
