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Mitosis and meiosis
Mitosis and meiosis vocabulary
16
Biology
9th Grade
02/03/2010

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Term
mitosis
Definition
division of the nucleus in order to form two genetically identical daughter cells
Term
sex cell
Definition
haploid gamete, sperm or egg
Term
meiosis
Definition
two divisions of the nucleus in order to form four haploid gametes
Term
diploid
Definition
having two copies of each chromosome
Term
haploid
Definition
having one copy of each chromosome
Term
gamete
Definition
haploid cell made for the purposes of sexual reproduction
Term
sperm
Definition
male gamete
Term
egg
Definition
female gamete
Term
germ cell
Definition
cell that will develop into a gamete, sperm or egg
Term
cytokinesis
Definition
division of the cytoplasm and the cell
Term
prophase
Definition
phase of mitosis or meiosis where the spindle fibers form and chromosomes become visible
Term
metaphase
Definition
phase of mitosis or meiosis where the chromosomes line up in the middle of the cell and attach to spindle fibers
Term
anaphase
Definition
phase of mitosis or meiosis where spindle fibers pull chromosomes to opposite ends of the cell
Term
telophase
Definition
phase of mitosis or meiosis where the nuclear membrane begins to reform
Term
crossing over
Definition
when homologous chromosomes in prophase I of meiosis form a tetrad and swap parts of their chromosomes
Term
somatic cell
Definition
body cell
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