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LD BIO Comparison

LD Biology Comparison of Mitosis and Meiosis

TermDefinition
MITOSIS Occurs in growth and asexual reproduction
MITOSIS Homologous chromosomes not paired up during prophase. There is no exchange of parts between homologous chromosomes.
MITOSIS Involves one cell division. In the course of division, the double-stranded chromosomes line up at cell equator, centromeres divide, and one chromatid of each chromosome goes to each daughter cell.
MITOSIS As a result, each daughter cell receives the same number of chromosomes as the original cell. Maintains the chromosome number.
MEIOSIS Occurs in production of gametes in animals, and spores in plants in some simple organisms
MEIOSIS Homologous chromosomes paired up during prophase of first division. While paired, there may be an exchange of parts between homologous chromosomes.
MEIOSIS Involves two cell divisions. During first division, pairs of homologous line up at equator. The members of each pair separate, and one two-stranded chromosome of each pair goes to each daughter cell.
MEIOSIS During second division, centromeres of two-stranded chromosomes divide, and chromatids separate, one going to each daughter cell.
MEIOSIS As a result, each daughter cell receives only one member of each pair of homologous chromosomes. It therefore has only one-half the number of chromosomes in the original cell. Reduces the chromosome number by one half.
Created by: desilva13
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