Share this entry

Share this page

polytene

Saltos de línea: poly|tene
Pronunciación: /ˈpɒlɪtiːn
 
/

Definición de polytene en inglés:

adjetivo

Genetics
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.
Oraciones de ejemplo
  • 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.

Origen

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

Definición de polytene en:

Share this entry

Share this page

 

¿Qué te llama la atención de esta palabra o frase?

Los comentarios que no respeten nuestras Normas comunitarias podrían ser moderados o eliminados.

Obtenga más de Oxford Dictionaries

Suscribirse para eliminar anuncios y acceder a los recursos premium

Palabra del día apathetic
Pronunciación: apəˈθɛtɪk
adjective
showing or feeling no interest, enthusiasm, or concern