Term
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Definition
| Gonadal process: Creates 4 genetically different haploid gametes |
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Term
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Definition
| Cell with single set of chromosomes (human egg / sperm (n=23)) |
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Term
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Definition
| Term for sex cells (n); egg or sperm |
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Term
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Definition
| Another term for SYNGAMY or union of gametes (sperm + egg) |
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Term
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Definition
| Fertilized egg after UNION of gametes (2n = diploid # chrom) |
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Term
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Definition
| Visual display of 23 homologous pairs of chrom. (one set from each parent) |
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Term
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Definition
| Matching pair of chromosomes (one from each parent) |
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Term
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Definition
| Sex organs (ovaries or testes); site of meiosis and gamete production |
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Term
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Definition
| 23rd pair of chromosomes; determine sex (XX = female; XY = male) |
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Term
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Definition
| Exchange of genes between two NON-sister chromatids at Prophase I |
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Term
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Definition
| Homologous chromosomes synapse; form tetrads; crossing over occurs |
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Term
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Definition
| Visible "X" shaped regions (crossover between 2 non-sister chromatids) |
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Term
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Definition
| Homologous chrom. align OPPOSITE; spindles attach to only one side |
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Term
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Definition
| A gene's specific LOCATION along a given chromosome |
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Term
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Definition
| Version of a GENE (eg. T or t) carried at particular locus along chrom. |
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Term
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Definition
| Homologous chromosomes separate; called REDUCTION div (2n -> n) |
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Term
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Definition
| Sister chromatids align in middle; spindle fibers to both sides of centromere |
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Term
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Definition
| Sister chromatids separate to opposite poles: -> 4 haploid nuclei |
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Term
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Definition
| Shuffling of homologous chromosomes at Metaphase -> genetic variety |
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Term
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Definition
| # of gamete types from (n) pairs of homologous chrom. (2^23 = 8.4 million) |
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Term
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Definition
| New combinations of genetic material as a result of crossover (Prophase I) |
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Term
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Definition
| Term for a HEREDITARY UNIT at given locus on chromosome |
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Term
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Definition
| Organisms where meiosis creates GAMETES that soon unite (syngamy) |
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Term
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Definition
| Contains full chromosome complement (1/2 from each parent) |
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Term
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Definition
| Complete set of human genes (38,000 is called the human _____) |
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Term
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Definition
| Organism w/ meiosis creating thousands of genetically different SPORES |
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