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| transmission of traits from one generation to the next |
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| differ somewhat in appearance from parents and siblings |
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| scientific study of heredity and hereditary variation |
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| coded information in the form of hereditary units |
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| gene's specific location along the length of a chromosome |
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| single individual is the sole parent and passes copies of all it's genes on to its offspring |
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| a group of genetically identical individuals |
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| two parents give rise to offspring that have unique combinations of genes inherited from the two parents |
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| complete set of all chromosomes of a cell of any living organism |
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| A pair of matching chromosomes in an organism, with one being inherited from each parent |
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| X and Y chromosomes that determine an individual's sex |
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| other chromosomes besides sex chromosomes |
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| cell with single chromosome set |
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| zygote and all other cells having two sets of chromosomes |
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| alternation of generations |
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Definition
| life cycle that includes both diploid and haploid multicellular stages |
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Definition
| multicellular diploid stage |
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| haploid cells produced by meiosis in the sporophyte |
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Definition
| multicellular haploid stage |
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Definition
| chromosomes in a diploid cell resegregate, producing four haploid daughter cells |
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Definition
| Meiosis II separates the chromatids producing two daughter cells each with 23 chromosomes (haploid), and each chromosome has only one chromatid |
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Definition
| process where duplicated chromosomes pair with their homologues |
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Definition
| A four-part structure that forms during the prophase of meiosis and consists of two homologous chromosomes, each composed of two sister chromatids |
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Definition
| X-shaped region; represent crossing of nonsister chromatids |
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Definition
| exchange of genetic material between homologous chromosomes that occurs during meiosis and contributes to genetic variability |
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