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| One of two or more alternative versions of a gene that exist in a population of organisms |
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| The allele that controls the phenotype when paired with a different allele in a heterozygote individual |
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| The first generation of offspring in a breeding trial involving a series of genetic crosses |
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| The second generation of offspring in a series of genetic crosses |
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| The basic unit of genetic info. Each gene consists of a stretch of DNA that is part of a chromosome, and it affects at least one genetic trait |
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| A mating experiment, often performed to analyze the inheritance of a particular trait |
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| The genetic makeup of an individual; more specifically, the two alleles of a given gene that affect a specific genetic trait in a given individual. |
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| An individual that carries one copy of each of two different alleles. (for example, an Aa individual or a CwCr individual) |
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| An individual that carries two copies of the same allele. (for instance, an AA, aa, or CwCw individual) |
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| The parent generation in a breeding trial involving series of genetic crosses |
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| The specific version of a genetic trait that is displayed by a given individual; for example- black, brown, red, and blonde are phenotypes of the hair color traits in humans. |
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| An allele that does not affect the phenotype when paired with a dominant allele in a heterozygote |
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| Any inherited feature of an organism that can be observed or detected; for example- size, color and length of fur, and aggressive behavior are known examples of genetic traits. |
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