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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Separation of homologous chromosomes and sister chromatids occurs during meiosis in

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

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