Size polymorphism between homologous chromosomes, an extreme case in <i>Alstroemeria pulchra</i> Sims. (Alstroemeriaceae), endemic species of Chile
Keywords:Alstroemeria, cromosomes, polimorphism, Chile
Alstroemeria pulchra is a Chilean species where 3 subspecies are recognized: subsp. lavandulacea, maxima and pulchra. The chromosomes of populations of the subspecies lavandulacea and pulchra were studied and a marked size polymorphism was observed among the homologous of the first pair of chromosomes. This size polymorphism among homologous is one of the rarest reported thus far in the Angiosperm literature.
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