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13 Cards in this Set
- Front
- Back
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Word
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Definition
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Heredity
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the passing of genetic traits from parent to offspring
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Dominant trait
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the trait observed in the first generation when parents that have different traits are bred
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Recessive trait
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a trait that reapears in the second generation after disapering in the first generation when parents with different traits are bred
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Gene
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one set of instructions for inherited trait
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Allele
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one of the alternative forms of a gene that governs a charastic, such as hair color
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Phenotype
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an organism,s apperence or other detectable characteristic
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Genotype
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the entire genetic makup of an organism; also the combination of genes for one or more specific traits
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Probability
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the likeihood that a possible future event will occur in any given instance of the event
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Homologous chromosomes
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chromesomes that have the same sequence of genes and the same structure
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Meiosis
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a process in cell division during which the number of chromomes decreases to half the orininal number by two divisions of the nucleus, which results in the production of sex cells
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Sex Chromosome
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one of the pair of chromesomes that determine the sex of an individual
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Pedigree
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a diageam that shows the occurence of a genetic trait in several generations of a family
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