diakinesis


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di·a·ki·ne·sis

 (dī′ə-kə-nē′sĭs, -kī-)
n. pl. di·a·ki·ne·ses (-sēz)
The final stage of the prophase in meiosis, characterized by shortening and thickening of the paired chromosomes, formation of the spindle fibers, disappearance of the nucleolus, and degeneration of the nuclear membrane.

di′a·ki·net′ic (-nĕt′ĭk) adj.

diakinesis

(ˌdaɪəkɪˈniːsɪs; -kaɪ-)
n
(Zoology) the final stage of the prophase of meiosis, during which homologous chromosomes start to separate after crossing over
[C20: from dia- + Greek kinēsis movement]

diakinesis

the final stage of prophase prior to the dissolution of the nuclear membrane. — diakinetic, adj.
See also: Biology
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.diakinesis - the final stage of the prophase of meiosis
prophase - the first stage of meiosis
phase, stage - any distinct time period in a sequence of events; "we are in a transitional stage in which many former ideas must be revised or rejected"
References in periodicals archive ?
At the stage of diakinesis (end of prophase I), when fully cellularized oocytes are positioned in a single continuous row in wild-type worms, we also detected unevenly spaced nuclei, suggesting a defect in cytokinesis (white arrows).
In the present hybrids, evaluation of the chromosome pairing at diakinesis (Figure 1a) revealed that quadrivalents occur, but in low frequency, ranging from one to three.
gene heredity mutation mitosis embryo allele helix clone sequence polymer autosome phenotype recessive metaphase locus polymerase telophase oligonucleotide geneticist interphase prophase phage bacteriophage chromomere transduction transformation nucleus Mendelian genome meiosis chromosome recombinant pedigree plasmid vector replicon nucleosome chromatography zygote centromere anaphase genotype endonuclease backcross exonuclease polyploidy diakinesis cytogenetics crossover segregate codominance dominance translocation nucleolus