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12 Cards in this Set
- Front
- Back
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heredity |
the passing of genetic traits from parent to offspring |
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dominant trait |
observed in the first generation when parents that have different traits are bred |
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recessive trait |
a trait that reappears in the second generation after disappearing in the first generation, when parents of different traits are bred |
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genes |
one set of instructions for an inherited trait |
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alleles |
one of the alternative forms of a gene that governs the forms of a characteristic such as hair color |
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phenotype |
an organisms appearance or other detectable characteristic. |
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genotype |
the entire genetic makeup of an organism; also the combination of genes for one of more specific traits. |
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probability |
the likelihood that a possible future event will occur in any given instance of the event |
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homologous chromosomes |
chromosomes that have the same sequence of genes and the same structure |
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miosis |
a process in cell division during which the number of chromosomes decreases to half the original number by two divisions of the nucleus, which results in the production of sex cells. |
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sex chromosomes |
one of the pair of chromosomes that determine the sex of an individual. |
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pedegree |
a diagram that shows the occurrence of a genetic trait in several generations of a trait. |
