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Meiosis
Term | Definition |
---|---|
Spindle Fibers | Pull apart homologous chromosomes and sister chromatids |
Meiosis | The process of reducing chromosomes in order to make gametes |
How many cells are made? | 4 |
Are the cells identical or different? | Different |
Correct order of meiosis | Interphase, PMAT I, Cytokinesis, PMAT II, Cytokinesis |
Crossing-over leads to __________. | The greatest genetic variation |
Crossing-over | exchange of genetic information |
What are the two types of gametes? | Sperm and Egg |
What are gametes? | sex cells |
diploid | 2n |
haploid | n |
Where does crossing-over occur? | Prophase I and Metaphase I |
What is the diploid number for humans? | 46 |
What is the haploid number of humans? | 23 |
What type of reproduction is used with meiosis? | sexual reproduction |
Does interphase occur twice in meiosis? | No!!! Only once. DNA is only replicated once! |
Fertilization | The process of a sperm cell meeting an egg cell. |
Where are sperm located? | testes of males |
Where are eggs located? | ovaries of females |