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Definition
the production of offspring that does not involve the union of gametes |
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Definition
a chromosome that is not a sex chromosome |
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Definition
an asexual cell division of prokaryotes that produces identical offspring |
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Definition
the events of cell division; includes interphase, mitosis and cytokinesis |
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Definition
a membrane that divides newly forming plant cells following mitosis |
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Definition
a structure that appears during mitosis in animal cells |
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Definition
| a region of the chromosome where the two sister chromatids are held together and which is the site of attachment of the chromosome to the spindle fibers during mitosis |
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Definition
| a dark body containing a centriole in animal cells but not in plant cells; spindle fibers radiate from the centrosome in preparation for mitosis |
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Definition
one of two identical parts of a chromosome |
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Definition
the area of the cell membrane that pinches in and eventually separates the dividing cell |
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Definition
the exchange of genes by reciprocal segments homologous chromosomes during meiosis |
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Term
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Definition
the division of the cytoplasm of one cell into two new cells |
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Definition
a cell that contains both chromosomes of a homologous pair |
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Definition
a phase of the cell cycle in which the cell is not dividing and its DNA is not replicating |
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Term
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Definition
the fist period of interphase, in which the cell doubles in size |
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Definition
the final period of interphase, in which the cell undergoes rapid growth and prepares mitosis |
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Definition
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Definition
producing a new mixture of genetic material |
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Definition
having only one chromosome of each homologous pair |
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Definition
a protein molecule that DNA wraps around during chromosome formation |
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Definition
one of a pair of morphologically similar chromosomes |
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Definition
during meiosis, the random distribution of genes from different chromosomes to the gametes |
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Term
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Definition
a period of cell growth and development that precedes eukaryotic cell nuclear division |
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Term
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Definition
a picture of an individual’s chromosomes |
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Term
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Definition
a disk-shaped protein found in the centromere region of a chromosome and attaches the chromosomes to the mitotic spindle |
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Definition
a spindle fiber that extends from the centrosome at one pole of the cell to a chromatid during mitosis |
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Term
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Definition
mitosis: the phase of cell division in which the nucleus divides |
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Definition
the process of nuclear division that reduces the number of chromosomes in a cell by half |
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Definition
the second phase of mitosis, during which all the chromosomes move to the cell’s equator |
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Term
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Definition
eukaryotic nuclear division |
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Term
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Definition
the array of spindle fibers that serve to divide the chromatids during nuclear division |
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Definition
involved in controlling the activity of specific regions of DNA |
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Definition
the production of mature egg cells |
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Definition
one of two small cells produced and discarded during each of the two meiotic divisions that yield the haploid egg |
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Definition
fibers extending across a dividing cell from centrosome to centrosome |
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Definition
the first stage of mitosis and meiosis, characterized by condensation of chromosomes |
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Definition
the second period of interphase during which replication of DNA occurs |
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Definition
a chromosome that determines sex |
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Term
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Definition
the production of offspring from the combination of genetic material from two parent organisms |
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Definition
in meiosis, a haploid cell that develops into a mature sperm cell |
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Definition
the production of sperm cells |
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Definition
one of the microtubules that extend across a dividing eukaryotic cell; assists in the movement of chromosomes |
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Term
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Definition
the pairing of homologous chromosomes during meiosis |
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Term
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Definition
the final stage of mitosis during which a nuclear membrane forms around each set of new chromosomes |
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Definition
a group of two homologous chromosomes during meiosis |
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Term
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Definition
a phase of mitosis and meiosis in which the chromosomes separate |
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