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Definition
| Sequence of stages leading from the adults of one generation to the adults of the nest |
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Definition
| The creation of genetically identical offspring by a single parent |
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Definition
| The structures that contain most of the organism's DNA |
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Definition
| The creation of offspring by the fusion of two haploid sex cells, forming a diploid zygote |
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Definition
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Definition
| Type of cell division that Prokaryotes use to reproduce |
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Term
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Definition
| Combination of DNA and protein molecules |
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Term
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Definition
| Identical copies of the DNA molecule |
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Term
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Definition
| Narrow "waist" that joins the chromatids together. |
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Term
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Definition
| Ordered sequence of events that extends from the time a cell is first formed from a dividing parent cell until its own division into two cells. |
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Term
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Definition
| When a cell's metabolic activity is very high and the cell performs its various functions within the organism. |
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Term
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Definition
| Part of the cell cycle when the cell actually divides |
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Term
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Definition
| When the nucleus and its contents divide and are evenly distributed to form two daughter nuclei |
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Term
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Definition
| When the cytoplasm is divided in two |
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Term
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Definition
| Prophase, prometaphase, metaphase, anaphase, and telophase |
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Term
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Definition
| When changes occur in both the nucleus and cytoplasm |
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Term
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Definition
| When the nuclear envelope breaks into fragments and disappears |
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Term
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Definition
| The mitotic spindle is fully formed |
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Term
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Definition
| Begins when two centromeres of chromosomes come apart. |
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Definition
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Term
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Definition
| football-shaped structure of mictrotubules that guides the separation of two sets of daughter chromosomes |
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Term
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Definition
| clouds of cytoplasmic material that in animal cells contain centrioles. |
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Term
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Definition
| Shallow groove in the cell surface |
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Term
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Definition
| Grows outward, accumulating more cell wall materials as more vesicles fuse with it |
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Term
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Definition
| A protein secreted by certain body cells that stimulates other cells to divide. |
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Term
| Density-dependent Inhibition |
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Definition
| Phenomenon in which crowded cells stop dividing |
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Term
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Definition
| Must be in contact with solid surface |
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Term
| Cell Cycle Control System |
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Definition
| A cyclically operating set of molecules in the cell that both triggers and coordinates key events in the cell cycle |
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Term
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Definition
| An abnormally growing mass of body cells |
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Term
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Definition
| When the abnormal cells remain at one site |
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Term
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Definition
| Displaces normal tissue and interrupts organ functions. |
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Term
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Definition
| When tumnor cells enter the blood and lymph vessels of the circulatory system and move to other parts of the body, where they may proliferate and form new tumors. |
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Term
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Definition
| Cancers that orginate in the external or internal coverings of the body |
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Term
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Definition
| Arise in tissue that support the body |
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Term
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Definition
| Cancers of blood-forming tissues, such as bone marrow, spleen, and lymph nodes. |
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Term
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Definition
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Term
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Definition
| Two chromosomes composing a pair |
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Term
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Definition
| Particular site where a gene is found on a chromosome |
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Term
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Definition
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Term
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Definition
| Other 22 pairs of chromosomes |
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Term
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Definition
| Any cell with two homologous sets of chromosomes |
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Term
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Definition
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Term
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Definition
| Cell with a single chromosome set |
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Term
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Definition
| When a haploid sperm cell of a father fuses with a haploid egg cell of a mother |
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Term
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Definition
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Term
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Definition
| Type of cell division that produces haploid gametes in diploid organisms. |
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Term
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Definition
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Term
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Definition
| Exchange of corresponding segments between two homologous chromosomes |
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Term
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Definition
| Sites crossing over as X-shaped regions |
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Term
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Definition
| Production of gene combinations different from those carried by the original chromosomes |
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Term
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Definition
| Ordered display of magnified images of an individual's chromosomes arranged in pairs. |
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Term
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Definition
| Three number 21 chromosomes to make 47 in total. |
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Term
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Definition
| Extra copy of chromosome 21 |
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Term
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Definition
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Term
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Definition
| Loss of one or more nucleotides from a gene by mutation |
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Term
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Definition
| Repetition of part of a chromosome resulting from fusion with a fragment from a homologous chromosome |
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Term
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Definition
| When a fragment reattaches to the original chromosome but in the reverse direction |
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Term
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Definition
| Attachment of a chromosomal fragment to a non-homologous chromosome. |
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