1. Tardigrade
  2. Question
  3. Biology
  4. Select incorrect statements. (1) . Diplotene stage is not recognized by the dissolution of the synaptonemal complex. (2) . Recombination nodules contain a recombinase enzyme. (3) . Interkinesis is generally short-lived. (4) . In anaphase II separation of homologous chromosomes (bivalent) separate to opposite poles.

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Q. Select incorrect statements.
(1) . Diplotene stage is not recognized by the dissolution of the synaptonemal complex.
(2) . Recombination nodules contain a recombinase enzyme.
(3) . Interkinesis is generally short-lived.
(4) . In anaphase II separation of homologous chromosomes (bivalent) separate to opposite poles.

NTA AbhyasNTA Abhyas 2020Cell Cycle and Cell Division

Solution:

In the diplotene stage, the synaptonemal complex starts dissolution or disintegrating and the chromosomes start separating after crossing over. Recombination nodules contain a recombinase enzyme which helps in the process of recombination. Separation of homologous chromosomes (bivalent) occurs during anaphase I and this is known as disjunction, it results in a reduction in chromosome number to half. In anaphase II chromatids of a chromosome separate to opposite poles with the splitting the centromere taking place. Interkinesis is the resting stage between two meiotic divisions and generally short-lived.