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Definition
| The genetic transmission of traits from one generation to the next. |
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Definition
| A microscopic threadlike structure in the nucleus that carry genetic information. |
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Definition
| Individuals that are 100% genetically similar. |
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Definition
| Biochemical messengers that are key in transmitting hereditary information. |
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Definition
| Individuals that share an average of 50 percent of their genes. |
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Definition
| Studies in which researchers attempt to determine the influence of heredity by examining specific traits of blood relatives, looking for similarities and differences. |
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Definition
| Studies in which the traits of identical and fraternal twins are compared in order to assess the influence of heredity. |
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Definition
| Studies that compare the traits of adoptive children with both their biological and adoptive parents in order to look for similarities and differences. |
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Definition
| The gene that is expressed when two paired genes are different. |
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Definition
| The gene whose influence is hidden when two paired genes are different. |
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Definition
| Theory describing the changes in physical traits through successive generations. |
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Definition
| Principle claiming that traits and behaviors increasing reproductive survival will be passed on from generation to generation. |
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Definition
| Evolutionary process of adapting to environmental changes that occurs throughout a population in order to solve survival or reproductive problems. |
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