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Definition
| one of the alternative forms of a gene that governs a characteristic, such as hair color |
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| a molecule that is present in all living cells that contains the information that determines the traits that a living thing inherits and needs to live |
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| the trait observed in the first generation when parents that have different traits are bred |
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Definition
| one set of instructions for an inherited trait |
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Definition
| the entire genetic makeup of an organism; also the combination of genes for one or more specific traits |
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Definition
| the passing of genetic traits from parents to offspring |
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Definition
| chromosomes that have the same sequence of genes and the same structure |
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Definition
| the process in cell division during which the number of chromosomes decreases to half the original number by two division of the nucleus, which results in the production of sex cells |
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Definition
| a change in the nucleotide-base of a gene or DNA molecule |
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Definition
| in a nucleic-acid chain, a subunit that consists of a sugar, a phosphate and a nitrogenous base |
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Definition
| a diagram that shows the occurrence of a genetic trait in several generations of a family |
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Definition
| an organism's appearance or other detectable characteristic |
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Definition
| the likelihood that a possible future event will occur in any given instance of an event |
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Definition
| a trait that reappears in the second generation after disappearing in the first generation when parents with different traits are bred |
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Definition
| a molecule that is present in all living cells and that plays a role in protein production |
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Definition
| a cell organelle composed of RNA and protein |
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Term
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Definition
| one of the pair of chromosomes that determine the sex of an individual |
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