| 释义 |
polytene
pol·y·tene P0431400 (pŏl′ē-tēn′)adj. Relating to or having large chromosomes formed by repeated DNA replication and consisting of many chromatids side by side.
[poly- + Latin taenia, band (from Greek tainiā, ribbon; see ten- in Indo-European roots).]
pol′y·te′nic adj.pol′y·te′ny n.polytene (ˈpɒlɪˌtiːn) adj (Genetics) denoting a type of giant-size chromosome consisting of many replicated genes in parallel, found esp in Drosophila larvae[C20: from poly- + Greek taenia band]
EncyclopediaSeePolytenypolytene
pol·y·tene (pol'i-tēn), Consisting of many filaments of chromatin as the result of repeated division of chromonemata without separation of filaments.polytene (pŏl′ē-tēn′)adj. Relating to or having large chromosomes formed by repeated DNA replication and consisting of many chromatids side by side.
pol′y·te′nic adj.pol′y·te′ny n.polytene (pŏl′ĕ-tēn) [″ + tainia, band] Composed of many filaments of chromatin. |