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Question

Recombination of genes occur at
  1. Prophase II in meiosis
  2. Prophase I in meiosis
  3. Metaphase II in meiosis
  4. Prophase in mitosis

A
Prophase in mitosis
B
Prophase II in meiosis
C
Prophase I in meiosis
D
Metaphase II in meiosis
Solution
Verified by Toppr

Recombination of genes occur at prophase I in meiosis I. During pachytene stage, there is formation of recombination nodules which are the sites of crossing over.
So, the correct answer is 'Prophase I in meiosis'

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Similar Questions
Q1
Genetic recombination occurs in ................ phase of prophase of meiosis I.
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Q2
Which stage in prophase I of meiosis is characterised by the appearance of the recombination nodules?
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Q3
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
Arrange the given statements in the correct sequence of their occurrence during prophase I.

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Q4
Match the stages of mitosis with the events happening in them.
Column AColumn B(a) Prophase(i) Chromosomes arranged on equatorial plate(b) Metaphase(ii) Formation of nuclear membrane(c) Anaphase(iii) Condensation of chromosomes(d) Telophase(iv) Spindle fibres pull chromatids
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Q5

Meiosis-II occurs in essentially the same way as mitosis.


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