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Definition
| the number above the line in a fraction |
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Definition
| the number below the line in a fraction |
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Definition
| structures in the nucleus of a cell that control the cell's activities |
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Definition
| the joining of a sperm cell and an egg cell |
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Definition
| the cell that results when an egg cell and a sperm cell unite |
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Definition
| the movement of pollen from a stamen to a pistil |
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Definition
| passed to offspring from parents |
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Definition
| the section of a chromosome that controls a trait |
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Definition
| a gen whose expression is hiden by a dominant gene |
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Definition
| a gene that can prevent the expression of another gene |
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Definition
| an individual that has a dominant and a recessive gene for a trait |
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Definition
| a permanent change in the structure of a gene or chromosome |
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Definition
| breeding plants or animals with certain traits to produce offspring with those traits |
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