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| the passing of physical characteristics from parents to offspring |
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| the scientific study of heredity |
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| The process that creates a new organism, where an egg and sperm cell join |
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| the offspring of many generations that have the same form of a trait |
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| the factors that control a trait |
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| the different forms of a gene |
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| a trait that will always show up in an organism when the allele is present |
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| a trait that is hidden when the dominant allele is present |
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| an organism that has two different alleles for a trait |
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| a number that describes how likely it is that an even will occur |
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| a chart that shows all the possible ways alleles can combine in a genetic cross |
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| physical appearance of a trait |
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| an organism that has two identical alleles for a trait |
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| an organism that has two different alleles for a trait |
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| occurs when one allele is only partially dominant |
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| occurs when both alleles for a gene are expressed equally |
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| three or more possible alleles determine the trait |
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| occurs when more that one gene affects a single trait |
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Definition
| the process by which the number of chromosomes is reduced by half as sex cells form |
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