Separation of homologous chromosomes and sister chromatids occurs during meiosis in

Anaphase I and anaphase II of meiosis respectively

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Metaphase I and metaphase II of meiosis respectively

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Anaphase II and anaphase I of meiosis respectively

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Anaphase I and metaphase II of meiosis respectively

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Solution

The correct option is A Anaphase I and anaphase II of meiosis respectively
The pairing of homologous chromosomes takes place in prophase I of meiosis which is separated in anaphase I leading to reduction of chromosome number to half. During anaphase II the sepsration of sister chromatids takes place.

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Similar questions

Question 4
During Anaphase - I of meiosis
(a) homologous chromosomes separate
(b) non-homologous autosomes separate
(c) sister chromatids separate
(d) non-sister chromatids separate

Q. Assertion: Mitosis is known as equational division and meiosis is known as reduction division.
Reason: During meiosis, the non-sister chromatids of homologous chromosomes cross-over and exchange genetic information. This step does not occur during mitosis.

Q. The exchange of chromatid parts between the maternal and the paternal chromatids of a pair of homologous chromosomes during meiosis.

Q. Four different steps that occur during meiosis are given in the following list :
(i) Complete separation of chromatids
(ii) Pairing of homologous chromosome
(iii) Linning up of paired chromosome on the equatorial plane
(iv) Crossing over between chromatids

Q. Arrange the following events that happen during meiosis in the correct order of occurrence:

1. Formation of a dyad of cells
2. Separation of sister chromatids and migration towards the opposite poles
3. Separation of homologous chromosomes and migration towards the opposite poles
4. Formation of four haploid cells

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