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Grade 10 - Meiosis

Cell Reproduction - Meiosis

Term or PhaseDefinition or Description
Spermatogenesis Meiosis process that produces sperm
Oogenesis Meiosis process that produces eggs
Polar body Produced during oogenesis
Haploid Cell containing a single set of chromosomes (1N or N)
N 1/2 the diploid number
2N twice the haploid number
Diploid Double set of chromosomes (2N)
Meiosis Process of reduction division by which the chromosome number is reduced by half
Gamete sex cells
Prophase I Nucleus disappears
Synapsis Occurs when homologous chromosomes pair up
Tetrad Pairs of homologous chromosomes joined together
Homo prefix that means "the same"
Crossing Over creates genetic variation
Metaphase I Tetrads lined up along the equater
Anaphase I Splitting of the tetrads
Telophase I End of meiosis I, 2 diploid cells are formed
Metaphase II Chromatids lining up along the equator
Anaphase II Sister chromotids split
Telophase II Formation of 4 haploid cells
Spermatid Matures to make sperm
Body cells Formed by mitosis
Humans Haploid = 23
Meiosis I Formation of 2 diploid cells with the sister chromatids are still attached
Meiosis II No replication occurs during this part and at the end 4 haploid cells are formed when the sister chromatids are split apart
Created by: kalspike
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