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The stage cha...

Question

The stage characterized by the appearance of recombination nodule is–

A

Zygotene

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B

Pachytene

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C

Leptotene

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D

Diplotene

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Solution

The correct option is B Pachytene
In the pachytene stage of prophase I, the non-sister chromatids of the homologous chromosomes cross-over and exchange of genetic material takes place. Recombination nodules are the sites at which the non-sister chromatids cross-over.
So, the correct answer is Pachytene.

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Q. Which stage in prophase I of meiosis is characterised by the appearance of the recombination nodules?

Q. Which of the following stages are involved in recombinant nodules formation?

Q. Formation of recombination nodules is characteristic of the ______ stage of meiosis I.

Refer to the following statements describing Prophase I of meiosis and answer the question.
(i) Thin thread like chromosomes with a beaded appearance
(ii) Appearence of recombination nodules
(iii) Formation of bivalents/tetrads
(iv) Terminalisation of chiasmata
(v) Appearance of chiasmata
Identify the different stages with respect to the above given features and select the correct option

Q. Recombination nodules are found during

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