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Meiosis AS
| Question | Answer |
|---|---|
| How mant chromosomes does the celll start with? | 6 |
| Copies of chromosomes are held together by the | centromere |
| how many chromosomes are at each pole of the cell | 3 |
| During meiosis 2 chromosomes line up again along the cells | new equator |
| Only__ copyof each chromosome moves toward the poles | 1 |
| New membaranes form around each | new nucleus |
| each cell divides forming a total of __ cells | 4 |
| DNA replication takes place in | interphase |
| Meiosis consists of two cell divisions: | meiosis 1 & 2 |
| centrosomes migrate to | opposite poles |
| the pairing of homologous chromosomes is called | synapsis |
| crossing over points are called | chrismata |
| what happens in metaphase | chromatids line up in the middle of the cell |
| what happens during anaphase | chroatids seperate |
| what is interkinesis | short interphase period |
| in prophase2 each cell is | haploid |
| in metaphase2 chromosomes line up in ____ file | single |
| what happens during telophase 2 | chromosomes decondense |
| each of the 4 daughter cells produced by meiosis is | unique |
| with respect to meiosis when does DNA replication occur | before meiosis1 only |
| when does crossing over occur | prophase |
| during which phase do chromosomes line up along the equator | metaphase2 |
| During which phase does the nuclear membrane form around the chromosomes | telophase 2 |
| homologous chromosomes pair up and form tetrad | prophase1 |