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| Pregunta | Respuesta |
| Prophase 1 | chromosomes shorten chromosomes come together to form bivalents chiasmatas can form nucleolus disapears |
| Metaphase 1 | centrioles move to opposite poles of the cell a spindle has formed bivalents line up at equator |
| Telophase 1 | nuclear envelope reforms cytokinesis of the cytoplasm occurs but this is not always complete reduction of the chromosome number- diploid to haploid |
| Prophase 2 | nuclear envelope breaksdown nucleolus disapears chromosomes condense centrioles move to opposite poles of the cell |
| Metaphase 2 | pairs of chromtids line up at the equator spindle gibres attach to the chromosomes at centromere chromatids of each chromosome are randomly assorted |
| Anaphase 2 | spindle fibres contract and pull the chromatids to opposite poles |
| Telophase 2 | nuclear envelope reforms around haploid daughter nuclei spindle fibres breakdown centrioles reform |
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