genetics E2
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Created by:
haagendoss on February 26, 2012
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27 terms
Terms | Definitions |
|---|---|
 47, XXY | Klinefelter Syndrome. Males with breasts |
| 45, X | Turner Syndrome. Boxy females |
| 47, XXX | Syndrome. variable in females. sometimes retarded |
| 47, XYY | Jacob Syndrome. Criminal |
| 48, XXX and 49, XXXX | all in females |
| trisom 21 = 47, 21+ | Down Syndrome |
| trisomy 13 = 47, 13+ | Patau Syndrome |
| trisomy 18 = 47, 18+ | Edward Syndrome |
| AAA | Autotriploids: potatoes, winesap apples, bananas, seedless watermelons |
| AAAA | Autotetraploids: alfalfa, coffee, peanuts, McIntosh apples |
| AAAAAAAA | Autooctoploids, Commercial strawberries |
| AADD | Allotetraploid: Upland Cotton, Gossypium. 26 pairs of chromosomes. |
| Autopolyploid | each additional set of chromosomes is identical to the parent species. produced by shock or colchicine |
| Allopolyploids | hybridization of two closely related species |
| Endopolyploidy | cells in normal diploid organism becomes polyploidy through endomitosis. (vertebrate liver, waterslider saliva) |
| Male: 22, XY Female: 22, XX | normal human |
| 46, -5p | Cri-du-chat syndrome. abnormal glottis and larynx development. |
| Euploid | completely haploid sets of chromosomes are present |
| Aneuploid | organism gains of losses one or more chromosomes but not a complete haploid set |
| polyploid | 3 or more complete haploid sets of chromosomes |
| monosomy | loss of a single chromosome |
| trisomy | addition of a chromosome to a diploid complement |
| Polyploidy | more than 2 complete complements of a haploid genome. Uncommon in mammals. common in plants |
| PAR | pseudoautosomal regions. Shares with x chromosome. synapses and recombines |
| NRY | nonrecombining region. Majority |
| SRY | sex determining region of Y. needed for testis. destis determining factor |
| TDF | genes responsible for triggering the undifferentiated gonadal tissue from the embryo to form testis |
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