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.
More example sentences
- 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.
Definition of polytene in:
- The US English dictionary