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ALLOSYNDESIS [1 record]

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Record 1 2000-04-27

English

Subject field(s)
  • Genetics
CONT

In a polyploid derivative of an interspecific hybrid each parental chromosome is represented twice (amphidiploid) or one genome occurs twice and the other only once (sesquidiploid). So there is a choice of pairing between homologous chromosomes (autosyndesis) or homologous chromosomes (allosyndesis). For estimating the amount of allosyndesis in a polyploid derivative of an interspecific hybrid, allosyndetic bivalents should also be taken into consideration in addition to multivalents.

French

Domaine(s)
  • Génétique
DEF

À la méiose d'un hybride entre deux espèces polyploïdes, appariement entre les chromosomes de ces deux espèces.

Spanish

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