Term
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Definition
| diagram showing the gene combinations that might result from a genetic cross |
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Term
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Definition
| one of a number of different forms of a gene |
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Term
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Definition
| situations in which both alleles of a gene contribute to the phenotype of the organism |
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Term
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Definition
| process in which homologous chromosomes exchange portions of their chromatids during meiosis |
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Term
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Definition
| term used to refer to a cell that contains both sets of homologous chromosomes |
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Term
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Definition
| process in sexual reproduction cells in which male and female reproductive cells join to form a new cell |
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Term
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Definition
| specialized cell involved in sexual reproduction |
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Term
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Definition
| sequence of DNA that codes for a protein and thus determines a trait |
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Term
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Definition
| diagram showing the relative locations of each known gene on a particular chromosome |
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Term
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Definition
| scientific study of heredity |
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Term
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Definition
| genetic makeup of an organism |
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Term
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Definition
| term used to refer to a cell that contains only a single set of chromosomes and therefore only a single set of genes |
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Term
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Definition
| term used to refer to an organism that has two different alleles for the same trait |
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Term
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Definition
| term used to refer to chromosomes that each have a corresponding chromosome from the opposite-sex parent |
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Term
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Definition
| term used to refer to an organism that has two identical alleles for a particular trait |
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Term
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Definition
| offspring of crosses between parents with different traits |
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Term
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Definition
| situation in which one allele is not completely dominant over another |
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Term
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Definition
| independent segregation of genes during the formation of gametes |
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Term
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Definition
| process by which the number of chromosomes per cell is cut in half through the separation of homologous chromosomes in a diploid cell |
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Term
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Definition
| physical characteristics of an organism |
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Term
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Definition
| trait controlled by two or more genes |
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Term
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Definition
| likelihood that a particular event will occur |
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Term
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Definition
| separation of alleles during gamete formation |
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Term
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Definition
| structure containing 4 chromatids that forms during meiosis |
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Term
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Definition
| specific characteristic that varies from one individual to another |
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Term
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Definition
| term used to describe organism that produce offspring identical to themselves if allowed to self-pollinate |
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