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mitosis/meiosis

TermDefinition
Mitosis Process by which the hereditary material in the parent cell replicates and divides into two(2) identical daughter nuclei (cell). Mitosis is cell division produced by asexual reproduction, which means there is no variation (difference).
Diploid (number) (genetics) an organism or cell having two sets of chromosomes or twice the haploid number 2 (n)
Chromosomes a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
Interphase (resting phase) which occurs between mitotic cycles. The cell grows and replicates here.
Crossing over the exchange of genes between homologous chromosomes, resulting in a mixture of parental characteristics in offspring.
Anaphase Chromosomes move to opposite poles
Haploid/Monoploid term used to refer to a cell that contains only a single set of chromosomes and therefore only a single set of genes 23 chromosomes
Daughter nuclei Daughter cells
Tetrad A four-part structure that forms during the prophase of meiosis and consists of two homologous chromosomes, each composed of two sister chromatids.
Gametogenesis the process in which cells undergo meiosis to form gametes.
Meiosis cell division that produces reproductive cells in sexually reproducing organisms
Metaphase ( after ) centromeres line up at the equator.
Cytokinesis The cell membrane pinches in and the cytoplasm divides into two (2). This occurs in late anaphase or after telophase (during or after mitosis).
Disjunction chromosomes move apart toward the opposite poles of the cell in anaphase I.
Variation difference
Telophase Last phase, begins when chromosomes reach the two poles. Everything that was done in prophase must be undone and there are two new daughter cells.
Replication duplicating
Synapsis the side by side pairing of homologous maternal and paternal chromosomes at the start of meiosis
Prophase First phase, double chromosomes are visible.
Centrioles Located near the nucleus and help to organize cell division
Created by: Lavay
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