Mitosis Macor Childs

Mitosis: Cell division in which the nucleus divides into two nuclei containing the same number of chromosomes with an end result of two identical cells.

Interphase G1: Growing and prepping

Interphase S: Copying of DNA

Interphase G2: Finish growth preperation and checking

Prophase: Nucleus disassembles, chromosomes condense, centrioes organize spindle fibers and migrate to opposite poles of cell
Metaphase: Chromosomes (sister chromatids) line up at metaphase plate, Microtubule spindle fibers attach to kinetochores
Anaphase: Centromere divides, sister chromatids migrate to sides, kinetochores disassemble microtubules
Telophase: 'reset' phase; nucleus reassembles and chromosomes decondense
Cytokinesis: Microfilaments cinch the cell into two

Chromosome: A threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.

Chromatin: The material of which the chromosomes of organisms other than bacteria (i.e., eukaryotes) are composed. It consists of protein, RNA, and DNA.

Chromatid: Each of the two threadlike strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA.

Centromere: The region of a chromosome to which the microtubules of the spindle attach, via the kinetochore, during cell division.

Meiosis: a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.

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