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Meiosis

TermDefinition
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
Created by: lwebber