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Question

Match list I and list II and select the correct answer.

List IList II(Phase of meiosis)(Event that occurs)1Prophase ICrossing over occurs2Metaphase IISister chromatids migrate to opposite poles3Anaphase IHomologous chromosomes line up at equator in pairs

A
1, 2 , 3 correct
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B
1 correct
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C
2, 3 correct
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D
1, 3 correct
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Solution

The correct option is B 1 correct
Phases of meiosis:

Prophase-I: This phase is divided into five substages - leptotene, zygotene, pachytene, diplotene and diakinesis.
Crossing over occurs in pachytene stage of prophase-I.

Metaphase-II: Chromosomes arrange on equator of cell to form second metaphasic plate.

Anaphase-I: Homologous chromosomes segregate from each other and move towards the opposite poles.

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