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Mitosis and Meitosis


(genetics) cell division that produces reproductive cells in sexually reproducing organisms


cell division in which the nucleus divides into nuclei containing the same number of chromosomes


threadlike structures made of DNA molecules that contain the genes

homologous chromosomes

Chromosomes with matching information


the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins


two identical chromosomes that split and contain the same genetic material

sister chromatids

identical copies of a chromosome; full sets of these are created during the S(DNA replication) subphase of interphase


a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape


two tiny structures located in the cytoplasm near the nuclear envelope


clouds of cytoplasmic material that in animal cells contain centrioles


the biochemical units of heredity that make up the chromosomes; a segment of DNA capable of synthesizing a protein


(genetics) an organism or cell having two sets of chromosomes or twice the haploid number


(genetics) an organism or cell having only one complete set of chromosomes

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