The pairing of homologous chromosomes takes place in ..................... phase.

Anaphase I

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Prophase I

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Anaphase II

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Prophase II

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Metaphase I

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Solution

The correct option is B Prophase I
The prophase I of meiosis I is marked by synapsis of homologous chromosomes and crossing over. Zygotene of prophase I is marked by pairing of homologous chromosomes. Metaphase I is marked by movement of pairs of homologous chromosomes towards equator and their arrangement on it. The condensation of chromatin and appearance of chromosomes with sister chromatids takes place during prophase II. Metaphase II is marked by arrangement of chromosomes (each with two sister chromatids) on cell's equator which are then separated by splitting of centromere and move towards opposite poles during anaphase II.
Therefore, the correct answer is option B.

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Similar questions

In which one of the following options the stages of mitosis have been given in correct sequence ?
(a) Prophase, metaphase, telophase, anaphase
(b) Prophase, metaphase, anaphase, telophase
(c) Anaphase, telophase, prophase, metaphase
(d) Telophase, anaphase, prophase, metaphase

Q. Chromosomes appear at equator in
(a) anaphase
(b) metaphase
(c) prophase
(d) telophase

Q. Match the description (given in column I) with correct stage of prophase I (given column II) and choose the correct option. Column I Column II

A) Chromosomes are moved to spindle equator	1) Pachytene
B) Centromere splits and chromatids move apart	2) Zygotene
C) Pairing between homologous chromosomes takes place	3) Anaphase
D) Crossing over between homologous chromosomes takes place	4) Metaphase

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(a) prophase
(b) metaphase
(c) anaphase
(d) telophase

Q. Chromosome is most coiled at (in mitosis)
(a) telophase
(b) anaphase
(c) metaphase
(d) prophase

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