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Frage 4

How many chromosomes does a normal human body cell contain, and how are they arranged?

  1. 23 chromosomes, arranged as 23 pairs
  2. 46 chromosomes, arranged as 23 pairsRichtige Antwort
  3. 46 chromosomes, arranged as 46 pairs
  4. 23 chromosomes, none of them paired

Erklärung

A body cell holds two matching sets, so the count comes to 46 and those chromosomes line up as 23 matching pairs. Quoting 23 as the total mixes up the number of pairs with the number of chromosomes, because every pair is made of two separate chromosomes.

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Frage 4: How many chromosomes does a normal human body cell contain,… · Genetics Basics · Questena