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Qhov twg yog kev hloov pauv ntawm chromosomal?

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Qhov twg yog kev hloov pauv ntawm chromosomal?
Qhov twg yog kev hloov pauv ntawm chromosomal?

Video: Qhov twg yog kev hloov pauv ntawm chromosomal?

Video: Qhov twg yog kev hloov pauv ntawm chromosomal?
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Anonim

Chromosome mutation yog txheej txheem ntawm kev hloov pauv uas ua rau rov kho cov chromosome seem, tus lej txawv txav ntawm tus kheej chromosomes, lossis cov lej txawv txav ntawm chromosome.

4 hom kev hloov pauv ntawm chromosomal yog dab tsi?

deletion yog qhov uas ib ntu ntawm chromosome raug tshem tawm. translocation yog qhov chaw ntawm ib qho chromosome ntxiv rau lwm chromosome uas tsis yog nws tus khub homologous. inversion yog qhov uas ib seem ntawm ib chromosome rov qab. duplication tshwm sim thaum ib seem ntawm chromosome ntxiv los ntawm nws tus khub homologous.

Nws yog ib qho piv txwv ntawm chromosomal mutation?

Edward's syndrome lossis trisomy 18 . Patau syndrome lossis trisomy 13. Cri du chat syndrome lossis 5p minus syndrome (ib nrab tshem tawm ntawm caj npab luv ntawm chromosome 5) Wolf-Hirschhorn syndrome lossis deletion 4p syndrome.

3 hom chromosomal mutations yog dab tsi?

Cov qauv kev txawv txav

Peb qhov kev hloov pauv loj ntawm ib leeg-chromosome: tshem tawm (1), duplication (2) thiab inversion (3). Ob qhov kev hloov pauv loj ntawm ob-chromosome: ntxig (1) thiab hloov pauv (2).

5 chromosomal mutations yog dab tsi?

Chromosome Mutations

  • Tsis-Disjunction thiab Down's Syndrome.
  • Kev tshem tawm.
  • Duaplication.
  • Inversion of Genes.
  • Kev hloov ntawm Genes.

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