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WikiCards · Card list · Nature cards · X-inactivation
Uncommon card · Nature
X-inactivation, an Uncommon card
X-inactivation is a process by which one of the copies of the X chromosome is inactivated in therian female mammals.
- Rarity
- Uncommon
- Domain
- Nature
- ATK
- 76
- DEF
- 78
- Power
- 154
- Wikipedia reads a year
- 31,000
Power 154 (ATK + DEF): stronger than 80 % of WikiCards cards.
X-inactivation quiz: 3 questions
Three questions on the X-inactivation card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
The inactive X chromosome is silenced by being packaged into a transcriptionally inactive structure called ______.
Answer
heterochromatin. The inactive X chromosome is silenced by being packaged into a transcriptionally inactive structure called heterochromatin. From the X-inactivation article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
History of geography. History of geography 82 · Mont Blanc 79 · X-inactivation 76 · Chinese jade 71 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Palaeognathae. Palaeognathae 110,000 · Chinese jade 41,000 · X-inactivation 31,000 · 2023 Clarksville tornado 3,300 Wikipedia reads over a year.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- The inactive X chromosome is silenced by being packaged into a transcriptionally inactive structure called heterochromatin.
- As nearly all female mammals have two X chromosomes, X-inactivation prevents them from having twice as many X chromosome gene products as males, who only possess a single copy of the X chromosome.
- The choice of which X chromosome will be inactivated in a particular embryonic cell is random in placental mammals such as humans, but once an X chromosome is inactivated it will remain inactive throughout the lifetime of the cell and its descendants in the organism.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The X-inactivation article was read about 31,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 76 and blocks with 78: each hit it takes is cut by 31 %.
How to get X-inactivation
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Nature cards
Cards close in power
The cards just above and just below X-inactivation in the power ranking, all domains together.
- BrickworkUncommon · Science · ATK 76 DEF 78
- KadunaUncommon · Society · ATK 71 DEF 83
- Senegal RiverUncommon · Nature · ATK 77 DEF 77
- William Henry BraggUncommon · Science · ATK 72 DEF 82
- Ketamine-assisted psychotherapyUncommon · History · ATK 73 DEF 81
- History of geographyUncommon · History · ATK 82 DEF 72
Card lists
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Credits
Text : Wikipedia, X-inactivation (revision), CC BY-SA 4.0. Photo : Lucashawranke, CC BY-SA 4.0, Wikimedia Commons.
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