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40 Cards in this Set
- Front
- Back
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contain genes; made of protein and DNA
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chromosome
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protein found in chromosome
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histone
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copy of a chromosome still attached to the original
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chromatid
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constricted part of a chromatid
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centromere
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where one chromatid is attached to the other
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centromere
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loosely coiled DNA between cell divisions
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chromatin
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chromosomes that determine maleness or femaleness, but other characteristics, too
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sex chromosomes
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sex chromosomes in a male
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X and Y
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sex chromosomes in a female
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X and X
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chromosomes other than the sex chromosomes
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autosomes
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number of chromosomes in a human cell
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46
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number of chromosomes in a human gamete
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23
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copies of chromosomes that come from the individual's mother and father
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homologous chromosomes
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picture showing all the chromosomes in a cell sorted by size and shape
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karyotype
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cells that have one of each homologous pair
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diploid
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cells with two sets of chromosomes
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diploid
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regular body cell, not a gamete
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somatic cell
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sex cell
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gamete
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cells with one set of chromosomes
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haploid
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diploid number in humans
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46
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haploid number in humans
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23
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synonym for haploid
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monoploid
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division of prokaryotic cells
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binary fission
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division of the nucleus in somatic cells
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mitosis
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division of the cytoplasm
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cytokinesis
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set of events during the life of a cell
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cell cycle
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cell cycle stage for mitosis
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M phase
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cell cycle stages
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G1 - interphase - growth
S - synthesis - making DNA G2 - preparation for cell division M - mitosis - cell division |
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first stage of mitosis
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prophase
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stage of mitosis when chromosomes shorted and coil
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prophase
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cell part involved in cell division but not found in plant cells
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centriole
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spindle fibers radiate from this cell part
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centriole
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fibers found in cell during cell division
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spindle fibers
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type of spindle fiber that connects chromatid to centrosome
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kinetochore fibers
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type of spindle fibers that do not connect directly to chromatid
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polar fibers
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stage of cell division when chromosomes line up in middle of the cell
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metaphase
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stage of cell division when chromatids separate
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anaphase
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stage of cell division when chromosomes uncoil and nucleus reforms
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telophase
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pinching inward of an animal cell during telophase
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cell furrow
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growth of a new cell wall in a plant cell during telophase
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cell plate
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