Final stage of prophase in meiosis I, in which the chiasmata present during the diplotene stage disappear, the chromosomes continue to shorten, and the nucleolus and nuclear membrane disappear. [G. dia, through, + kinesis, movement]
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dia·ki·ne·sis .dī-ə-kə-'nē-səs, -(.)kī- n, pl -ne·ses -.sēz the final stage of the meiotic prophase marked by contraction of the bivalents
dia·ki·net·ic -'net-ik adj
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n.
the final stage in the first prophase of meiosis, in which homologous chromosomes, between which crossing over has occurred, are ready to separate.
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di·a·ki·ne·sis (diґə-kĭ-neґsis) [dia- + -kinesis] the fifth and final stage of prophase in meiosis I, during which the chromosomes condense and shorten, the nucleolus and nuclear envelope disappear, and the spindle fibers form.Medical dictionary. 2011.