Meiosis

Biology

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Meiosis

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Meiosis I

Comprises of prophase I, metaphase I, anaphase I and telophase I

Meiosis II

Consists of prophase II, anaphase II, metaphase II and telophase II

Prophase I

Chromatin shortens and thickens. Homologous chromosomes form bivalents. Non-identical chromatids undergo crossing over. The components required during cell division are ready to be used

Metaphase I

The homologous chromosomes are arranged at the equatorial plane. The sister chromatids are not separated

Anaphase I

The spindle fibers pull the homologous chromosomes to the opposite poles of the cell. Each chromosome still has two sister chromatids and moves as a one unit

Telophase I

Produces two daughter cells. Both daughter cells are haploid

Prophase II

Each chromosome has a sister chromatid. Spindle fibers begin to appear on both daughter cells

Anaphase II

The sister chromatids begin to separate at the centromere and move to the opposite poles of the cell. Each chromatid at this stage is known as a chromosome

Metaphase II

Chromosomes are arranged in the equatorial plane. Metaphase II ends when the centromere divides

Telophase II

Produces four haploid daughter cells. Telophase II ends with the process of cytokinesis. Haploid cells develop into gametes

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Meiosis

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