meiosis steps Word Scramble
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| Question | Answer |
| homologous chromosomes line up in the center of the cell | metaphase I |
| spindle fibers pull homologous pairs to ends of the cell | anaphase I |
| 4 haploid (N) daughter cells form | telophase II |
| cells undergo a round of DNA replication | S phase |
| sister chromatids separate from each other | anaphase II |
| 2 haploid (N) daughter cells form | telophase I |
| spindle fibers attach to the homologous chromosome pairs | prophase I/ metaphase I |
| individual chromatids move to each end of the cell | anaphase II |
| crossing-over (if any) occurs | prophase I |
| What's the difference between prophase I and II? | crossing over changes genes in prophase I |
| Compare the number and type of cells that result from meiosis vs. mitosis. | Mitosis: same Meiosis: amount is 1/2, not genetically identical |
| How do the genetic content of cells resulting from mitosis and meiosis differ? | Mitosis: identical Meiosis: genetic variation (crossing-over) |
| Describe the similarity and difference between meiosis I and meiosis II. | M I: crossing-over M II: no crossing-over |
| If a diploid cell containing 28 chromosomes undergoes meiosis, how many chromosomes will each daughter cell have? | 14 chromosomes |
| the individual chromosome moves apart | anaphase II |
| spindle fibers pull homologous pairs to the ends of the cell | anaphase I |
| the chromosomes line up across the middle of the cell | M II |
| chromosomes become visible | prophase I & II |
| sister chromatids separate into individual chromosomes | anaphase II |
| nuclear envelope reforms | telophase II & telophase I |
| the nucleolus disappears and the nuclear envelope breaks down | prophase I |
| each chromosome is connected to a spindle fiber | prophase II & metaphase II |
Created by:
rufus webster