Question

explain the steps in meosis in point wise

Answer 1

Answer:

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Explanation:

Stages of Meiosis

Meiosis cell division takes place in the following stages:

Meiosis I

Prophase I

• The nuclear envelope disintegrates.

• Chromosomes begin to condense.

• Spindle fibres appear.

Prometaphase II

• Spindle fibres attach to the chromosomes at the centromere.

Metaphase I

• The homologous chromosomes align at the equatorial plate ensuring genetic diversity among offspring.

Anaphase I

• The homologous chromosomes are pulled towards the opposite poles.

Telophase I

• Spindle fibres disappear.

• Nuclear envelope is reformed.

Cytokinesis I

• The cytoplasm and the cell division resulting in 2 non-identical diploid daughter cells.

Meiosis II

Prophase II

• The chromatin condenses into chromosomes.

• Nuclear envelope disintegrates.

• Centrosomes migrate to either poles.

• Spindle fibres are reformed.

Metaphase II

• The chromosomes align along the equatorial plate. On the contrary, the chromosomes in metaphase I were in homologous pairs.

Anaphase II

• Sister chromatids are pulled to the opposite poles.

Telophase II

• Nuclear envelope redevelops and the spindle fibres disappear.

Cytokinesis II

• The cytoplasm and cell divides producing 4 non-identical haploid daughter cells.