Definición de polytene en inglés:


Saltos de línea: poly|tene
Pronunciación: /ˈpɒlɪtiːn


Relating to or denoting a giant chromosome which is composed of many parallel copies of the genetic material, as found in Drosophila fruit flies where they are much used in genetic research.
Más ejemplos en oraciones
  • The structures of rearrangements were defined by mitotic chromosome staining as well as by genetic and polytene chromosome analysis.
  • Anopheline mosquitoes, like Drosophila, are renowned for the presence of polytene chromosomes and chromosomal inversions.
  • It was mapped in Drosophila by polytene chromosome in situ to 3L heterochromatin.


1930s: from poly- 'many' + -tene (from Greek tainia 'band, ribbon') denoting stages of the first meiotic division.

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Palabra del día retroflex
Pronunciación: ˈrɛtrə(ʊ)flɛks
turned backwards