ODD-PLOIDY TRANSIENTS. “When the formation of polyploids involves fusion of gametes with different ploidy levels (e.g., reduced and unreduced gametes, or between a diploid and a tetraploid), an individual with an unbalanced ploidy level (e.g., a triploid) will be formed. In most cases, these odd-ploidy individuals are a transient phase in polyploid formation, leading to the eventual production of higher ploidy, stable lineages such as tetraploids and hexaploids.”
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