X chromosome inactivation

The exercise was created 2024-04-04 by feliciajonsssson. Question count: 9.

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  • another name for X chromosome inactivation lyonization
  • x-inactivation only occurs in ... females
  • x-inactivation is ... --> therefor in some cells the .. chromosome from the mother is inactivated and in some cells the one from the ... is inactivated random, X, father
  • X-inactivation ensures that females have 2 functional copies of the X chromosomes in each body cell: TRUE/FALSE false
  • If both X chromosomes would be active in females, there would be an imbalance in gene expression: TRUE/FALSE true
  • X chromosome inactivation is when 1 X chromosome is ... ... transcriptionally silenced
  • when does the X chromosome inactivation take place (during what time of life) (3 words) early embryonic development
  • The inactivation is done by the ... gene which is located on the X chromosome that will be inactivated -> the inactivated X will become ... and is now called a ... ... XIST, condensed, barr body
  • part of the inactivation of X process is when the XIST gene produces a long non-coding RNA that coats the chromosome in cis: TRUE/FALSE true

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