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Definition
| transmission of traits from one generation to the next |
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Definition
| differences in the appearance of parents and siblings |
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Definition
| study of heredity and hereditary variation |
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Definition
| sequence of DNA that codes for a specific protein (trait) |
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Definition
| gene's specific location along the length of a chromosome |
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Definition
| single individual is the sole parent and passes copies of all its genes on to its offspring (clones) |
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Definition
| group of genetically identical individuals |
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Definition
| two parents give rise to offspring that have unique combinations to genes inherited from the two parents. |
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Definition
| sequence of stages from conception to productioin of its own offspring |
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Term
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Definition
| body cell (46 chromosomes) |
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Definition
| picture of the 46 human chromosomes |
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Definition
| same chromosomes that carry the same genes (one from mom, one from dad) homologs |
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Definition
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Definition
| Chromosomes 1-22 (excludes X and Y chromosomes) |
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Definition
| sex cells - sperm and egg (23 chromosomes) |
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Definition
| n, one set of chrosomes, no pairs |
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Definition
| union of the egg and sperm |
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Definition
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Definition
| 2n, contain pairs of chromosomes |
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Definition
| cell division that only occurs in the ovaries and testes, produces sex cells |
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Term
| alternation of generations |
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Definition
| life cycle that includes both diploid and haploi multicellular stages |
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Term
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Definition
| multicellular diploid stage |
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Term
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Definition
| haploid cells produced by a sporophyte |
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Term
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Definition
| multicellular haploid stage |
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Term
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Definition
| homologous chromosomes separate: 2n ---1n |
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Term
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Definition
| sister chromatids separate, similar to mitosis |
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Term
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Definition
| duplicated chromosomes pair with their homologues |
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Term
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Definition
| four closely associated chromatids in a homologous pair |
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Term
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Definition
| X shaped region of a tetrad that is evidence of crossing over taking place |
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Term
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Definition
| switching of genes between nonsister chromatids of homologous chromosomes (between mom and dad's chromosomes) |
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